Chevrolet big block, 454 flat top

Application: 

Recommended for applications using nitrous (400+HP shot) / not recommended for turbo applications.

Includes:

Complete set of pistons, locks, & pins.

Specifications:

Piston top type: flat top.
Bore: 4.280" to 4.500".
Stroke: 4.000" to 4.250".
Rod length: 6.135" & 6.385".
Compression height: 1.270" to 1.648".
Compression ratio (109.00): 8.00 to 9.20.
Compression ratio (118.00): 7.60 to 8.40.
Compression ratio (124.00): 7.30 to 8.30. 
Dome volume: -2cc & -3cc.
Dome height: flat top.
Gram weight: 526 to 706 gr.
Rings: 1/16", 1/16", 3/16".
Ring set: CR9190.
Rings included: no.
Oil rail spacer: ORS-425.
Pin type: 5115 straight wall.
Pin diameter: .990".
Pin length: 2.930".
Pin wall: .150".
Pin weight: 146 grams.
Pin buttons: N/A.
Block height: 9.790".
Top land: .350".
Second land: .190".
Oil land: .095".
Deck thickness: .220".
Intake cutter: 2.400".
Exhaust cutter: slant.
Intake depth: .320".
Exhaust depth: .120" up.
Note: Street, drag & marine applications should use taper bore pins in high HP applications.