Chevrolet 409 big block, 10.5 Compression

Application: 

Recommended for applications using nitrous (up to 250HP shot) / not recommended for turbo applications.

Includes:

Complete set of pistons, locks & 5115 series straight wall pins.

Specifications:

Piston top type: dome top.
Bore: 4.342" & 4.372".
Stroke: 3.500" & 4.000".
Rod length: 6.010" & 6.135".
Compression height: 1.450" & 1.823".
Dome height: .360" to .607".
Gram weight: 365 to 821 gr. 
Rings: 1/16", 1/16", 3/16".
Ring set: TOT-CR6490 30.
Rings included: No.
Pin type: 5115 straight wall.
Pin diameter: .990".
Pin length: 2.930".
Pin wall: .150".
Pin weight: 146 grams.
Block height: 9.600".
Top land: .250".
Second land: .150".
Oil land: .080".
Intake cutter: 2.300".
Exhaust cutter: 1.900".
Intake depth: .125".
Exhaust depth: .125".
Note: piston rings sold separately.