Compstar Hemi Crankshafts are manufactured from 4340 steel and machined to popular strokes. These shafts will easily increase the power potential of your 6.4, 6.1 and 5.7L gen III Hemi engines. Compstar crankshafts can be ordered with either 32 or 58 reluctor wheels.
Every aspect of this crank has been meticulously engineered. It starts up front with a post that is dual keyed to securely locate supercharger drive pulleys, and ending with journals that are super finished. For ease of assembly, rod journals are standard SB Chevy diameter and width. Counterweights have been profiled for 6.125 inch connecting rods.
Compstar Hemi cranks are manufactured from 4340 steel and range in stroke from 3.800 – 4.080. Also for improved crank case ventilation and reduced weight, main journals are gun drilled.
All Compstar Hemi crankshafts are shipped with your choice of reluctor to meet your vehicles need.
Average weight for 4.050" stroke balanced to 1785g Bob. = 57 lbs. Standard Features
- Sold preped for a 1785g. Bob weight
- Gun drilled mains
- All rod journals lightened
- Dual linear post keyways
- 2.559 Main bearing
- 2.100 pin
- Cammed for rod length of 6.125"
