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Callies Compstar Comet Series Small Block Chevy Forged 4340 Crankshaft 3.750" stroke, 350 mains, 2.100" pins, internal balance, lightened, nitrided
- Average Weight for 3.750 in. Stroke Balanced to 1750g Bob. = 43 lbs
- Gun Drilled Mains
- All Rod Journals Lightened
- Heat Treatment = Nitride Case
- Requires narrow bearings
The Compstar Comet is your answer to lightweight crankshaft needs for Small Block Chevy engines. Produced from 4340 forged steel that is triple heat-treated and nitrided, Compstar Comets are ready for long term, trouble free use.
Each Comet features gun drilled mains, lightened rods, pendulum cut counterweights, and a star flange. All journals are polished to 5Ra or finer and match sized to within .0003 inch or less throughout the entire crankshaft. Comets are produced with .125 journal radii and require performance grade bearing inserts. Currently, Comets are only available with 350 mains.
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