Crankshaft, Compstar, 4.000 in Stroke, Internal Balance, Forged Steel, 1-Piece Seal, GM LS-Series, Each

• GM LS1 4340 Forged Compstar Crank 4.000
• With 58 Tooth Reluctor Wheel
• Sold as Each
• Part Number:APO31Q-CS58

Specifications

Brand Callies Part Number APO31Q-CS58 Product Line Compstar Lightened Yes 1 / 2 Piece Rear Main Seal 1-Piece Stroke 4.000 in Main Journal Diameter 2.559 in Rod Journal Diameter 2.100 in Narrowed Bearings Required Yes Intended Balance Internal Minimum Rod Length 6.125 in Snout Style Standard Balancer Bolt Thread 16 mm x 2.0 Crankshaft Key Quantity 1 Flexplate / Flywheel Mounting Bolt Quantity 6 Reluctor Wheel Included Yes Reluctor Wheel Tooth Quantity 58 Alloy 4340 Material Style Forged Material Steel Color Natural Finish Natural Quantity Each