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75ChevyGuy · 10-05-2011, 01:02 PM

HEX (1/4-20X1/2) I believe thats the size for it. Thats what the GM EPC is telling me.

10-05-2011, 01:02 PM	#11
75ChevyGuy GM Parts Guy Join Date: Jan 2011 Location: Attleboro MA Posts: 375	Re: My 88 Silverado HEX (1/4-20X1/2) I believe thats the size for it. Thats what the GM EPC is telling me. __________________ 1975 Chevrolet C-10 Custom Deluxe (DD/WIP) 1989 Chevrolet C1500 reg cab stepside (Winter Truck) 1977 Harley Davidson XLH 1000 (Summer Cruiser)