Exhaust Manifold Bolt Sizes

[mbgmike]

Originally Posted by Rack Man

Actually....those are not the correct lengths for my stock 350....I just went through this...I initially used the 2.5" & 3" lengths, but I wound up bottoming out in several of the holes before they tightened....

I then ordered a correct kit from one of our site vendors and they came in 8 ea. @ 2.25" & 4 ea. @ 2.75" (centers).....they were perfect!

It's my understanding that you do not ever want to bottom out like that as you can cause major damage...

Dan

Yeah the manifolds must be differant cause I pulled the bolts on a stove stock 350 with stock manifolds also just before I posted the lengths