Description
A properly secured crankshaft key is critical for reliable engine performance, especially in high-RPM applications where harmonic forces can cause pulley slippage and ignition timing issues. The Mr. Gasket 983G delivers the precision fit and durability needed to maintain solid crankshaft-to-pulley engagement, preventing costly misfires and performance loss. Whether you’re rebuilding a classic small-block or refreshing your engine bay, this OEM-quality replacement ensures your ignition and accessory drive systems stay locked in sync.
- Steel construction
- 1-3/8 inch length
- 3/16 inch width
- Woodruff profile
- 0-degree offset
- Black finish
- Chevy / Mopar compatibility
- Sold individually
- Bolt-on installation
