Chevrolet 350/400, 17-18˚ heads, 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: 4.030" to 1.165".
Stroke: 3.300" to 3.800".
Rod length: 6.000".
Compression height: 1.095" to 1.345".
Compression ratio (52): 13.09 to 14.97.
Compression ratio (58): 12.00 to 13.72.
Compression ratio (64): 11.09 to 12.67.
Dome volume: 2.60 to 6.00.
Gram weight: 451 to 478.
Rings: 1/16", 1/16", 3/16".
Ring set: N/A.
Rings included: no.
Oil rail spacer: ORS-400.
Pin type: 5115 straight wall.
Pin diameter: .927".
Pin length: 2.500".
Pin wall: .150".
Pin weight: 118 grams.
Block height: 9.025".
Note: (1) Piston rings sold separately. (2) Compression ratio based on .050" piston to head clearance.