Chevrolet 400, dome top

Application: 

Recommended for applications using nitrous (up to 250HP shot) / not recommended for turbo applications.

Includes:

Complete set of pistons, rings, locks, pins & oil rail spacers (as required).

Specifications:

Piston top type: dome top.
Bore: 4.125" to 4.165"
Stroke: 3.250" to 4.000"
Rod length: 5.700" to 6.000".
Compression height: 1.008" to 1.683".
Compression ratio (58): 13.50 to 14.40.
Compression ratio (64): 12.50 to 12.60.
Compression ratio (76): 10.90 to 10.80.
Dome volume: -0.60 to 15.20.
Gram weight: 466 to 564.
Rings: 1/16", 1/16", 3/16".
Ring set: N/A.
Rings included: no.
Oil rail spacer: ORS-412.
Pin type: 5115 straight wall.
Pin diameter: .927".
Pin length: 2.500".
Pin wall: .150".
Pin weight: 118 grams.
Block height: 9.025".
Note: piston rings sold separately.