What size are the valve cover studs?
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Senior Member
Joined: Jul 2009
Posts: 752
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Car: 1991 Z28
Engine: 5.7 TPI
Transmission: 700R4
What size are the valve cover studs?
I need to replace the studs that the valve cover hold down nuts bolt to. I don't need replacement studs- I need the size so I can use some bolts to connect some plug wire looms to the valve covers...
Senior Member
Joined: Sep 2009
Posts: 569
Likes: 0
From: Madison, SD
Car: '82 Camaro
Engine: 383
Transmission: TKO 5 speed
Axle/Gears: 31 spline 9" with 4.56:1
Re: What size are the valve cover studs?
Plain old sbc's with perimeter bolt valve covers are tapped for 5/16 X 24 hardware.
Thread Starter
Senior Member
Joined: Jul 2009
Posts: 752
Likes: 1
Car: 1991 Z28
Engine: 5.7 TPI
Transmission: 700R4
Re: What size are the valve cover studs?
Looks like I found something. I have polished Fiero valve covers and the Fiero 2.8 apparently uses M6x1.0x26 bolts, with a sleeve so that the covers do not get distorted... I will let you know how it goes...
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