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The ARP drilled hex header bolt kit for SB Chevy applications contains 3/8 x .750in bolts specified for small-block Chevrolet headers. This kit supplies drilled hex-style fasteners sized for that application and is intended for use where these exact dimensions are required. Verify application for your small-block Chevy engine and follow proper torque procedures during installation.
ARP SB Chevy 3/8 x .750in Drilled Hex Header Bolt Kit
