Description
A worn or damaged distributor shaft gear compromises ignition timing and engine reliability—especially critical in high-performance applications where precise spark delivery is non-negotiable. The Comp Cams 412M is a direct replacement engineered to OEM specifications, restoring consistent timing control and eliminating the guesswork from distributor maintenance. Whether you’re rebuilding a classic small-block or maintaining a race engine, this iron gear delivers the durability and accuracy your ignition system demands.
- Distributor shaft gear
- 0.491″ shaft diameter
- Cast iron construction
- Chevy V6/V8 compatible
- OEM-equivalent fitment
- Sold individually
- Bolt-on replacement
- MPN: 412M









