oldjeep
Admiral
- Joined
- May 17, 2010
- Messages
- 6,455
Strangely they have 13mm heads but are 3/8-16 threads.
Seems like a couple washers would tell you if it was a too long bolt issue
Never seen a starter that said Marine, but a lot of them say J1171 on them which is the SAE number for a marine starter