(grade 8) Header & Engine Bracket Nuts! For Chevy Pontiac Buick Olds Caddy Etc

Details:

This listing includes 8 Header Collector and Engine Bracket Torque Lock Nuts (correct, as pictured). These are Grade 8, very heavy duty (see pics). These secure the Header Collectors to the Exhaust Flange. Most headers only use 3 nuts per side, but some use 4 nuts per side. These are also used for the Drive Train and Engine Brackets (example: Z-Bar, A/C or Alt Bracket, Trans Dipstick Tube, Cross Members, Motor Mounts, etc.) Lock nuts won't loosen up from engine/drive train vibrations. Details:(Q...

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