Big Block

Specifications Bore: 4.466 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 4.250 Comp. Ht: 1.270 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 566/141 Head Type DOME .425 Effective Head Volume -38cc Compression Ratios 119-13.1 124-12.5 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .425 hollow dome, centered pin, spacer rings included. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads. Learn More

Specifications Bore: 4.466 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 4.250 Comp. Ht: 1.270 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 566/141 Head Type DOME .425 Effective Head Volume -38cc Compression Ratios 119-13.1 124-12.5 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .425 hollow dome, centered pin, spacer rings included. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads. Learn More

Specifications Bore: 4.250 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 3.760 Comp. Ht: 1.520 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 668/141 Head Type Dome .650 Effective Head Volume -43cc Compression Ratios 119-11.4 124-10.8 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .650 hollow dome, centered pin. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads Learn More

Specifications Bore: 4.250 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 3.760 Comp. Ht: 1.520 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 668/141 Head Type Dome .650 Effective Head Volume -43cc Compression Ratios 119-11.4 124-10.8 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .650 hollow dome, centered pin. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads Learn More

Specifications Bore: 4.250 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 3.760 Comp. Ht: 1.520 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 668/141 Head Type Dome .650 Effective Head Volume -43cc Compression Ratios 119-11.4 124-10.8 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .650 hollow dome, centered pin. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads Learn More

Specifications Bore: 4.250 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 3.760 Comp. Ht: 1.520 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 668/141 Head Type Dome .650 Effective Head Volume -43cc Compression Ratios 119-11.4 124-10.8 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .650 hollow dome, centered pin. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads Learn More

Specifications Bore: 4.250 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 3.760 Comp. Ht: 1.520 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 668/141 Head Type Dome .650 Effective Head Volume -43cc Compression Ratios 119-11.4 124-10.8 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .650 hollow dome, centered pin. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads Learn More

Specifications Bore: 4.250 Rod Length: 6.385 Pin Diameter: 0.9900 Stroke: 3.760 Comp. Ht: 1.520 Top Land: 0.000 OE Deck Height: 9.800 Weight Piston/Pin: 668/141 Head Type Dome .650 Effective Head Volume -43cc Compression Ratios 119-11.4 124-10.8 Ring Packs 2-1/16 1-3/16 Notes For open chamber heads only, 118cc and above. Has .650 hollow dome, centered pin. Can be used with AFR, RHS, Brodix, Dart, Edelbrock, and Chevy open chamber heads Learn More