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COMPSTAR – SMALL BLOCK GEN III HEMI
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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.
- All Compstar components are 100% Mag Particle inspected to verify there are no cracks or inclusions in the material. Additionally, our in house metallurgical laboratory verifies material and heat treatment to ensure it meets Callies engineering and quality requirements.
- 100% of our Compstar crankshafts are finish sized and polished by American craftsmen, ensuring proper fitment and widths. Additional items checked are runout, bolt holes and oil holes.
- Every crank then goes through our stringent Quality Control final check, guaranteeing your Compstar Engine Component is ready to race.
Beginning with properly placed counterweights that not only improve balance but reduce bearing loads, every aspect of these highly stressed components has been analyzed. Our forgings are rough machined in a process that includes double stress relief operations that make these crankshafts very dimensionally stable.
Hardened with a deep nitride, Compstar cranks are ideal for all types of abusive racing environments. All rod journals are drilled and counterweights are profiled for piston clearance. With our consistent grind and polish, along with our precise stroke and index, you will see why we say these crankshafts are Compstar Correct.
Compstar crankshafts are available in a variety of configurations.
