Callies Magnum Crankshaft - SB Chevy - 3.800" Stroke - 2.100" Pin - 400 Main 2.648" H776003L Hex Nuts 7/16"-14

Hex Nuts 7/16"-14

All shields come with adjustable tear-off posts

Flywheel Locking Tool

Keep in mind

Callies Magnum Crankshaft - SB Chevy - 3.800" Stroke - 2.100" Pin - 400 Main 2.648" H776003L Hex Nuts 7/16"-14A combined effort by Callies CNC programming and engineering staffs has resulted in a component that is distinctive and highly functional. Unique counterweight and rod arm contours produce a lightweight, aero efficient crankshaft. Callies Series II Mangnum Mass Correct counterweights have been placed specifically to reduce bearing loads. By concentrating mass at the point of imbalance, the transfer of rotating and reciprocating assembly weight loads