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Callies Compstar 4340 Forged Steel Crankshaft, Chevrolet LS1 Main, 58T Reluctor Wheel
Designed by Callies engineers, rough machined to their specification on 4340 material forgings, then finished in Callies own facility. Properly placed counterweights that not only improve balance but reduce bearing loads. Hardened with a deep nitride, ideal for abusive dirt track environments. All rod journals are drilled and counterweights are profiled for piston clearance. Requires narrowed bearings.
Part Type: Crankshaft
Application: Chevrolet LS
Crankshaft Material: 4340 Forged Steel
Nitrided: Yes
Rear Main Seal Style: 1 piece
Engine Main Bearing Type: LS1 Main
Stroke: 4.125"
Rod Length:
Rod Journal Diameter: 2.100" (LJ)
Crankshaft Snout Size: Standard
Engine Balance: Internal
Lightening Holes In Rod Throws: No
Rod Bearings Included: No
Requires Narrow Bearings: Yes
Main Bearings Included: No
Manufacturer: Callies
Manufacturer's Part Number: APU317-CS
Weight:
Warranty: Sold without warranty, expressed or implied
Quantity: Sold as Each
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