Which bolts to use for header install?
TECH Enthusiast
Joined: May 2006
Posts: 644
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From: south jersey
idk about the ls1 because i still got stock manifolds on mine .. but my 355 powered 1st gen small block loved allen head circle cap screws, they stayed tight, were easy to get to and looked good stainless steel, but i also have a tap and die set so i can find thread sizes easy, and just go buy the apropriate bolt. i got arp head bolds on my heads for the third gen. probly the best bolts you can get, except they rust if exposed my head bolds on the outside started to rust alil, still wouldnt get any other bolts for heads or engine internals though.
Originally Posted by orangeapeel
You can reuse. I used ARP bolts the 3rd time through.
Thanks
Originally Posted by antz01ta
stage 8 locking bolts.
Stockers with anti-sieze is what I use.
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Originally Posted by TheBlurLS1
You forgot to mention the fact that those little bastards are 11mm, which is a pretty hard gear wrench to find.
Stockers with anti-sieze is what I use.
Stockers with anti-sieze is what I use.
easy to find around here. Oreilley's has a ton of em.
I also use the Stage 8 locking header bolts WITHOUT the stupid little locking tabs. The bolts are nice, but the locking tabs are a pain in the *** and completely unneccesary for LS1 motors as the header bolts do not back out on these cars. I also use antiseize on mine.
Originally Posted by ilirw325
When I Looked on ARP's website all i saw was studs...do they make bolts for out thread? I must have missed it.
Thanks
Thanks
I meant to say studs. I like them alot though! 
Originally Posted by hotrodrx7
Thats what I used. I got a Husky 11mm gear wrench at Home Depot. Also used anti-sieze and no locking tabs. Everything has stayed tight so far.
