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The ARP 3/8-inch 12-point header bolt kit for Buick 350–455 engines is a hardware kit specified for header installation on those engine applications. It supplies 12-point 3/8in bolts intended to fasten exhaust headers to the specified Buick big-block V8s and is presented as the correct fastener set for those displacement ranges. The overview stays focused on fitment and the kit's 3/8in 12-point specification.
ARP Buick 350-455 3/8in 12pt Header Bolt Kit
