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Dome 18° Big Chief and Big Duke 540, 555 & 565 Flat Top 11° , 12°, 14° N20 11° , 12°, 14° Flat Top - Normally Aspirated
Normally Aspirated - Open Chamber Dome Super Series Piston - Dome 540, 555 & 565 Open Chamber
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Chevy 454 (Bore: 4.5, Stroke: 4.25, Rod: 6.135) Chevy 454 (Bore: 4.5, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.5
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 653
Gas Ports: No
Cubic Inches: 540
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.505, Stroke: 4.25, Rod: 6.135) Chevy 454 (Bore: 4.505, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.505
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 657
Gas Ports: No
Cubic Inches: 541
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.53, Stroke: 4.25, Rod: 6.135) Chevy 454 (Bore: 4.53, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.53
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 670
Gas Ports: No
Cubic Inches: 547
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.56, Stroke: 4.25, Rod: 6.135) Chevy 454 (Bore: 4.56, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.56
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 687
Gas Ports: No
Cubic Inches: 555
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.6, Stroke: 4.25, Rod: 6.135) Chevy 454 (Bore: 4.6, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.6
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 675
Gas Ports: No
Cubic Inches: 565
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.5, Stroke: 4, Rod: 6.135) Chevy 454 (Bore: 4.5, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.5
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 674
Gas Ports: No
Cubic Inches: 508
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.505, Stroke: 4, Rod: 6.135) Chevy 454 (Bore: 4.505, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.505
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 677
Gas Ports: No
Cubic Inches: 510
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.53, Stroke: 4, Rod: 6.135) Chevy 454 (Bore: 4.53, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.53
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 691
Gas Ports: No
Cubic Inches: 515
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.56, Stroke: 4, Rod: 6.135) Chevy 454 (Bore: 4.56, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.56
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 707
Gas Ports: No
Cubic Inches: 522
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.6, Stroke: 4, Rod: 6.135) Chevy 454 (Bore: 4.6, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.6
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 693
Gas Ports: No
Cubic Inches: 531
Cylinders: 8

List Price: $221.50
Our Price: $116.25
Savings: $105.25
Chevy 454 (Bore: 4.5, Stroke: 4.25, Rod: 6.385) Chevy 454 (Bore: 4.5, Stroke: 4.25, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B - Supplied with Double Spiral Locks, D - Rail Support included, O - Made for 10.200 Block Height, P - 9.2 Deck Height, Q - Also fits 4.000 Stroke and 6.385 Rod, R - Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S - Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.5
Stroke: 4.25
Rod: 6.385
Comp Height: 1.27
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 603
Gas Ports: No
Cubic Inches: 540
Cylinders: 8

List Price: $234.50
Our Price: $123.00
Savings: $111.50
Chevy 454 (Bore: 4.505, Stroke: 4.25, Rod: 6.385) Chevy 454 (Bore: 4.505, Stroke: 4.25, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.505
Stroke: 4.25
Rod: 6.385
Comp Height: 1.27
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 606
Gas Ports: No
Cubic Inches: 541
Cylinders: 8

List Price: $234.50
Our Price: $123.00
Savings: $111.50
Chevy 454 (Bore: 4.53, Stroke: 4.25, Rod: 6.385) Chevy 454 (Bore: 4.53, Stroke: 4.25, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.53
Stroke: 4.25
Rod: 6.385
Comp Height: 1.27
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 619
Gas Ports: No
Cubic Inches: 547
Cylinders: 8

List Price: $234.50
Our Price: $123.00
Savings: $111.50
Chevy 454 (Bore: 4.56, Stroke: 4.25, Rod: 6.385) Chevy 454 (Bore: 4.56, Stroke: 4.25, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.56
Stroke: 4.25
Rod: 6.385
Comp Height: 1.27
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 636
Gas Ports: No
Cubic Inches: 555
Cylinders: 8

List Price: $234.50
Our Price: $123.00
Savings: $111.50
Chevy 454 (Bore: 4.6, Stroke: 4.25, Rod: 6.385) Chevy 454 (Bore: 4.6, Stroke: 4.25, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.6
Stroke: 4.25
Rod: 6.385
Comp Height: 1.27
Dome Height: F.T
Dome (cc)/Ratio: -3.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.300
Weight: 626
Gas Ports: No
Cubic Inches: 565
Cylinders: 8

List Price: $234.50
Our Price: $123.00
Savings: $111.50
Chevy 454 Inverted Dome (Bore: 4.5, Stroke: 4.25, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.5, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.5
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: -.100
Dome (cc)/Ratio: -17.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 652
Gas Ports: No
Cubic Inches: 540
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.505, Stroke: 4.25, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.505, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.505
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: -.100
Dome (cc)/Ratio: -17.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 655
Gas Ports: No
Cubic Inches: 541
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.53, Stroke: 4.25, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.53, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.53
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: -.110
Dome (cc)/Ratio: -18.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 665
Gas Ports: No
Cubic Inches: 547
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.56, Stroke: 4.25, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.56, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.56
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: -.120
Dome (cc)/Ratio: -20.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 679
Gas Ports: No
Cubic Inches: 555
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.6, Stroke: 4.25, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.6, Stroke: 4.25, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.6
Stroke: 4.25
Rod: 6.135
Comp Height: 1.52
Dome Height: -.135
Dome (cc)/Ratio: -22.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 665
Gas Ports: No
Cubic Inches: 565
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.5, Stroke: 4, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.5, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.5
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: -.036
Dome (cc)/Ratio: -8.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 689
Gas Ports: No
Cubic Inches: 508
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.505, Stroke: 4, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.505, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.505
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: -.036
Dome (cc)/Ratio: -8.0cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 692
Gas Ports: No
Cubic Inches: 510
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.53, Stroke: 4, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.53, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.53
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: -.043
Dome (cc)/Ratio: -9.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 701
Gas Ports: No
Cubic Inches: 515
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.56, Stroke: 4, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.56, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.56
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: -.060
Dome (cc)/Ratio: -11.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 719
Gas Ports: No
Cubic Inches: 522
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Inverted Dome (Bore: 4.6, Stroke: 4, Rod: 6.135) Chevy 454 Inverted Dome (Bore: 4.6, Stroke: 4, Rod: 6.135)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.6
Stroke: 4
Rod: 6.135
Comp Height: 1.645
Dome Height: -.073
Dome (cc)/Ratio: -13.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.320
Weight: 711
Gas Ports: No
Cubic Inches: 531
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Dome (Bore: 4.5, Stroke: 4, Rod: 6.385) Chevy 454 Dome (Bore: 4.5, Stroke: 4, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.31
Stroke: 4.25
Rod: 6.385
Comp Height: 1.27
Dome Height: .700
Dome (cc)/Ratio: 47.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.310 / +.125
Weight: 578
Gas Ports: No
Cubic Inches: 496
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Dome (Bore: 4.505, Stroke: 4, Rod: 6.385) Chevy 454 Dome (Bore: 4.505, Stroke: 4, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.5
Stroke: 4
Rod: 6.385
Comp Height: 1.395
Dome Height: .700
Dome (cc)/Ratio: 47.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.310 / +.125
Weight: 636
Gas Ports: No
Cubic Inches: 508
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Dome (Bore: 4.53, Stroke: 4, Rod: 6.385) Chevy 454 Dome (Bore: 4.53, Stroke: 4, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.505
Stroke: 4
Rod: 6.385
Comp Height: 1.395
Dome Height: .700
Dome (cc)/Ratio: 47.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.310 / +.125
Weight: 636
Gas Ports: No
Cubic Inches: 510
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Dome (Bore: 4.56, Stroke: 4, Rod: 6.385) Chevy 454 Dome (Bore: 4.56, Stroke: 4, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.53
Stroke: 4
Rod: 6.385
Comp Height: 1.395
Dome Height: .700
Dome (cc)/Ratio: 47.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.310 / +.125
Weight: 651
Gas Ports: No
Cubic Inches: 515
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00
Chevy 454 Dome (Bore: 4.6, Stroke: 4, Rod: 6.385) Chevy 454 Dome (Bore: 4.6, Stroke: 4, Rod: 6.385)

Suitable for nitrous oxide systems (NOS); Suitable for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).

Bore: 4.56
Stroke: 4
Rod: 6.385
Comp Height: 1.395
Dome Height: .700
Dome (cc)/Ratio: 47.5cc
Pin Diameter: .990 x 2.930
Ring Thickness: 1/16 x 1/16 x 3/16 in.
Valve Release Depths: -.310 / +.125
Weight: 649
Gas Ports: No
Cubic Inches: 522
Cylinders: 8

List Price: $238.00
Our Price: $125.00
Savings: $113.00