Front Brake Lines Clip Screw Size and Type

74Z28GC3

Veteran Member
Sep 1, 2000
1,969
North Pole, Alaska
I misplaced my original 74 Z28 front brake line clip screw to the subframe bracket that hold to two lines that come from the proportioning valve in a rubber bushing. Does anyone know the screw size and type? i have the other two screws and clips that hold the front brake line to the subframe.
George
 

Sean77LT

New Member
Jun 8, 2022
16
So are you talking about the one that clamps the rubber bushing around the 2 lines? Mine appears to be 5/16 coarse thread 1" long.
Sean
20230214_135653.jpg
 

Fbird

Veteran Member
Lifetime Gold Member
Feb 12, 2011
6,654
atlanta, ga
^^^^ minor correction there...COURSE is an understatement! These GM FRAME screws are a PITA as they are NOT common bolts
A 5/16 COURSE screw will get you a 5/16-18....in the average world!
These are a 5/16-12
 




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