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The Compstar Comet crankshafts from Callies are forged of 4340 steel and have had non-critical material removed to allow these cranks to weigh only 42 lbs. A light rotating assembly allows you to acclelrate faster off the corners.
The Compstar Comet crankshafts from Callies are forged of 4340 steel and have had non-critical material removed to allow these cranks to weigh only 43 lbs. A light rotating assembly allows you to accelerate faster off the corners. Two piece rear main seal. 400 mains.
These high-tech fatigue resistant 80-60-06 cast steel one-piece rear main crankshafts feature near forged strength with cast economy. For one piece rear main S/B Chevys only.
These rotating assemblies are designed for street use and include Keith Black forged pistons, Scat 4340 Pro-Comp I-beam rods and a Scat 4340 forged crankshaft.
Enables a rebuilder to install a 2-piece design crankshaft in a one-piece seal design block.Billet aluminum.Available for early or late pan.Alignment tool required for installation.
Kit includes a cast aluminum double groove water pump pulley anddouble groove crank pulley, and a matched pair of heavy duty belts. Has a 1:1 water pump/crankshaft speed ratio.
All balancing is done with our state-of-the-art "hines" balancer by race mechanics with over 30 years of experience. A kit purchased with the optional balance job will ship in 24-48 hours.
Speedway introduces forged rotating assemblies, with an optional balance job. Includes new 2-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.
All balancing is done with our state-of-the-art "hines" balancer by race mechanics with over 30 years of experience! A kit purchased with the optional balance job will ship in 24-48 hours.