Mike56073 27 Posted March 21, 2018 My exhaust manifold had bolts holding it on when I took the engine apart. Are these an update, or should I go back to studs/nuts? Share this post Link to post Share on other sites
Eric Farley 23 Posted June 17, 2018 I WOULD USE STUDS Share this post Link to post Share on other sites
twood19541 50 Posted June 17, 2018 X2. I got mine from ARP Share this post Link to post Share on other sites
