Chevrolet 350, 23˚ heads, SP forging flat top

Application: 

Not recommended for nitrous or turbo applications
image is a representation of this item. Actual item may vary.

Includes: 

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

Specifications:

Piston top type: flat top.
Bore: 4.030" to 4.065" .
Stroke: 3.500" to 4.000" .
Rod length: 5.700" to 6.250".
Compression height: 1.000" to 1.550" .
Compression ratio (58): 11.20 (4.030") to 12.78 (4.065").
Compression ratio (64): 10.40 (4.030") to 11.88 (4.065").
Compression ratio (76): 9.15 (4.030") to 10.43 (4.065").
Dome volume: -4.40.
Gram weight: N/A.
Rings: 1.2 1.2 3.0.
Ring set: RGN4032.
Rings included: yes.
Oil rail spacer: ORS-400.
Pin type: 5115 straight wall.
Pin diameter: .927".
Pin length: 2.300".
Pin wall: .150".
Pin weight: 107 grams.
Block height: 9.000".
Note: (1) Forged from high strength 2618-T61 aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing. (3) Optional pin upgrade available (4) Optional lateral or vertical gas porting available.