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ARP header bolt kit for Big Block Chevy applications supplies hex .875in UHL bolts intended for exhaust header installation. The kit is specified for Big Block Chevy fitment and is sold to support correct fastening of header flanges to cylinder heads during installation or replacement. Use this ARP kit when replacing or fitting headers on compatible Big Block Chevy engines to maintain proper exhaust flange security.
ARP Big Block Chevy Hex .875in UHL Header Bolt Kit
