This ARP camshaft drive spud threads into the front of the camshaft, providing a drive point for degreeing the cam or turning it by hand during setup. It's machined from chromoly steel with a black oxide finish, 1.5in long with a 9/16-18 thread.
Specifications:
- 9/16-18 in Thread
- 1.5 in Long
- Chromoly Construction
- Black Oxide Finish
- Sold Each
FAQ
What thread does this cam drive spud have?
It has a 9/16-18 thread.
How long is it?
It's 1.5in long.
What is it made of?
It's machined from chromoly steel with a black oxide finish.
What is a cam drive spud used for?
It threads into the front of the camshaft to provide a drive point for degreeing or hand-turning the cam.

