These 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.
Designed for 2004 and newer Chevrolet 4.8, 5.3, 5.7, 6.0L, LS1, LS6 V8 style engines. Stock configuration cylinder head styles. Will not fit LS9 engines.
Note: Fits engines with all same length head bolts. Will not fit 1st. Gen with different length head bolts.
Designed for 2004 and newer Chevrolet 4.8, 5.3, 5.7, 6.0L, LS1, LS6 V8 style engines. Stock configuration cylinder head styles.
Will not fit LS9 engines.
ARP stands behind their products indefinitely with respect to materials and workmanship. Automotive Racing Products would like to deal with the customer directly when they have a problem. Automotive Racing Products is interested in customer satisfaction and will make exceptions on an individual and case-by-case basis.