Callies Compstar BBC 4340 Forged Crankshaft - 4.250 Stroke, All Compstar Compweights are center counterweighted for reduced bearing loads during high RPM use. Machined with .125 journal radii and conventional straight shot oiling, these cranks offer simple durability. With all 4 rod journals drilled, Compstar BBC Compweight cranks weigh in at 75lbs or less. Compweights are fully deep case nitrided.
- Callies Crankshaft
- Compstar
- 4.250 in Stroke
- Internal Balance
- Forged Steel
- 2 Piece Seal
- Big Block Chevy
- Each