The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread

LS short box · 05-23-2021, 11:01 PM

The bolts look like typical 3/8" header bolts. Some times the smaller hex bolts can make install easier in tight spots. I always use 5/16" grade 8 washers on all 3/8" bolts.
I do like the flange nuts if they are the lock type on the under side of the nut. Can't spell serrations?

05-23-2021, 11:01 PM	#203
LS short box Registered User Join Date: Jun 2015 Location: Carlos MN Posts: 1,924	Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread The bolts look like typical 3/8" header bolts. Some times the smaller hex bolts can make install easier in tight spots. I always use 5/16" grade 8 washers on all 3/8" bolts. I do like the flange nuts if they are the lock type on the under side of the nut. Can't spell serrations?