Chevrolet 350, 23˚ heads, Heavy Duty flat top

Application: 

Recommended for applications using nitrous (up to 250HP shot) / boost (up to 8LBS). Image is a representation of this item. Actual item may vary.

Includes: 

Complete set of pistons, locks & pins.

Specifications:

Piston top type: flat top.
Bore: 4.030" / 4.035".
Stroke: 3.480" to 3.750".
Rod length: 5.700" to 6.000".
Compression height: 1.133" to 1.568".
Compression ratio (58): 11.50 (4.030) / 11.60 (4.035).
Compression ratio (64): 10.70 (4.030) / 11.80 (4.035).
Compression ratio (76): 9.50 (4.030) / 9.50 (4.035).
Dome volume: -4.00.
Gram weight: 461 (4.030) / 463 (4.035).
Rings: 1/16" 1/16" 1/8".
Ring set: N/A.
Rings included: No.
Oil rail spacer: N/A.
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 (deck & gasket combined).