CALLIES COMPSTAR GEN V CRANKSHAFT - 4.000" STROKE - DRY SUMP - 8 COUNTERWEIGHT - 5UO-31Q-CS

Made from 4340 steel that is deep nitrided for strength and wearability, every Compstar crank is intended for high output installation. Compstar crankshafts are counterweighted for enhanced bearing load distribution, which allows these shafts to withstand both high boost and high RPM applications.

Machined with large journal radii, gun drilled mains, and fully lightened rod journals, the Compstar crankshaft is truly built for performance.  

Compstar 8 Counterweight cranks are sold rough balanced to 1850 grams, or finish balanced to your bob weight.