Allstar Performance Quick Turn Flush Head Fastener — 7/16 x .550in Aluminum, Black Anodized 10-Pack | ALL19271 1977-pontiac-bonneville-esi3035248 Two differences: these are headers

Two differences: these are headers only — no Y-pipe or additional kit components are included — and the primary tube diameter is 1-7/8" vs 1-3/4"

and provides protection from abrasion

2006 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE 2004-2006 GMC Sierra 3500 WT 2007 GMC Sierra 3500 Classic SL 2007 GMC Sierra 3500 Classic SLE 2007 GMC Sierra 3500 Classic WT

Accepts a standard three-prong extension cord and mounts directly into decking or to a chassis-mounted bracket

The kit includes 3/32 in

Allstar Performance Quick Turn Flush Head Fastener — 7/16 x .550in Aluminum, Black Anodized 10-Pack | ALL19271 1977-pontiac-bonneville-esi3035248 Two differences: these are headersThe Allstar Performance ALL19271 is a Quick Turn Flush Head Fastener with a slotted turn method. Body diameter is 7 16 in and body length is 0. 550 in. It is machined from aluminum with a black anodized finish and sold as a set of 10. Quick Turn fasteners of this type are used with matching quick turn fastener springs and receptacle plates for quarter turn removal of racing body panels, hoods, deck lids, and access covers. FAQ What size is the Allstar