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Chevrolet 350, blown 8.0 compression, flat top

Item number: 90458


Recommended for use in nitrous & turbo applications. Image is a representation of this item. Actual item may vary.



Complete set of pistons, locks & pins.



Piston top type: flat top
Bore: 4.030"
Stroke: 3.480"
Rod length: 5.700"
Compression height: 1.455"
Compression ratio (58): 9.48
Compression ratio (64): 8.93
Compression ratio (76): 8.01
Dome volume: -4.00
Gram weight: 532
Rings: 5/64" 5/64" 3/16"
Ring set: N/A
Rings included: no
Oil rail spacer: N/A
Pin type: 5115 straight wall
Pin diameter: .927"
Pin length: 2.950"
Pin wall: .150"
Pin weight: 141 grams
Block height: 9.025"
Note: (1) Piston rings sold separately. (2) Recommended upgrade: in extremely high horsepower applications we suggest Ross H13 taper wall pins. (3) Compression ratio based on utilizing more deck clearance than normal (flat top “down in the hole”).