Description 135-3603 ARP Fasteners Cylinder Head Bolt Set For Use With Chevy Big Upgrade your engine’s performance with the 135-3603 ARP Fasteners Cylinder Head Bolt Set, specifically designed for Chevrolet Big Block engines. This high-performance bolt set is engineered to provide superior strength and reliability. Key Features High Performance: Rated at 180,000 PSI tensile strength, these bolts are 15% stronger than Grade 8 alternatives. Innovative Design: Available in a reduced wrenching hex or a 12-point wide area flanged head, allowing for easy access and installation.

No Valve Train Removal: Designed to eliminate the need for valve train removal, simplifying the cylinder head retorquing process. Complete Kit: Comes complete with hardened parallel ground washers for enhanced performance. Durable Material: Constructed from high-quality chrome moly steel for long-lasting durability. Specifications Engine Compatibility: Chevrolet Big Block Mark IV Head Type: Hex Finish: Black Oxide Washer Style: Hardened Parallel-Ground Bolt Style: No Under Cut.

With a limited 90-day warranty, you can trust in the quality and performance of the ARP Cylinder Head Bolt Set. Upgrade your engine today and experience the difference!