Cylinder Head Bolt Kit - 12 Point Nuts - Chromoly - Black Oxide - GM LS-Series - Kit

ARP Chevrolet Small Block LS 12pt Head Bolt Kit (Fits LS, 2004 & later except LS9)

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Reference Information

Cylinder Head Fastener, Pro Series, 12-Point, Black Oxide, Chevy, Small Block, Kit

The Pro Series cylinder head bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. The Pro Series are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque readings.