Plenum Extension bolts
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Junior Member
Joined: Oct 2003
Posts: 54
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From: Phoenix
Car: 1985 K5 Blazer
Engine: 350 crate w/TPI MAF
Transmission: 700R4/NP208
Plenum Extension bolts
I was wondering if anyone knows what the 3 bolts are I need for the plenum extension on my TPI setup.
What is the size, length and pitch? Thanks
Harley
What is the size, length and pitch? Thanks
Harley
Member
Joined: Mar 2003
Posts: 406
Likes: 1
From: under the hood
Car: 92 Z28 heritage
Engine: 5.0 TPI
Transmission: T-5
Call your local GM dealer and order them by application, they are still available new, and they are cheap. I did this a few months ago. Or you can go to Home Depot with a sample and match 'em up, but they won't be coated and will eventually begin to rust where water puddles in the hex holes.
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