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This ARP header bolt kit supplies 1/4-inch flange hex bolts intended for Chevy LS engine header installations. The hardware set is specified for sealing and securing aftermarket or OEM-style exhaust flanges to LS heads, offering a straightforward replacement or upgrade for fastening header flanges where 1/4-inch flange bolts are required.
ARP Chevy LS 1/4in Flange Hex Header Bolt Kit
