OldschoolSteve
New Member
- Joined
- Sep 8, 2019
- Messages
- 3
- Karma
- 1
- Car
- 1978 GMC Sierra Classic
I'm about to install a set of 350-60899 aluminum heads on my SBC. I've been told that some of the head bolts are gonna require sealing with silicone or something because they go thru water jackets. Anybody know which ones will require sealing?