Product Details

• Material: Alloy Steel
• Grade Rating: Grade 8
• Exterior Finish: Aluminum
• Manufacturer Grade: Grade 8
• Head Style: Hex
• Material: ‎Alloy Steel
• Grade Rating: ‎Grade 8
• Exterior Finish: ‎Aluminum
• Manufacturer Grade: ‎Grade 8
• Head Style: ‎Hex
• Fastener Type: ‎Hexagon Bolt
• Brand: ‎ARP
• Thread Type: ‎Un
• Thread Style: ‎Right Hand
• Item Hardness: ‎Grade 8
• Head Type: ‎Hex
• Number of Pieces: ‎8
• UPC: ‎672036002237
• Manufacturer: ‎ARP
• Item Weight: ‎2.09 pounds
• Country of Origin: ‎USA
• Item model number: ‎135-3605
• Is Discontinued By Manufacturer: ‎No
• Manufacturer Part Number: ‎1353605
• OEM Part Number: ‎135-3605
• Date First Available: November 23, 2005

• High Performance Series cylinder head bolts are a premium replacement for OEM fasteners
• Bolts are 180,000 psi, which is 15% stronger than Grade 8 hardware
• Wide area flanged head eliminates the need for valve train removal to facilitate cylinder head retorquing
• Features reduced wrenching hex style heads
• Comes complete with hardened parallel-ground washers

To maintain a reputation for “zero defects”, ensure optimum quality control,
and produce fasteners of exceptionally high quality, ARP controls all aspects
of the manufacturing process, performing all operations in-house where they
can be closely monitored. ARP takes extraordinary steps to produce the very
finest products of their kind on the market today. These High Performance
series cylinder head bolts are a premium replacement for OEM fasteners. They
feature a reduced wrenching hex and wide area flanged head that eliminates the
need for valve train removal to facilitate cylinder head retorquing. The bolts
are 180,000 psi, which is 15% stronger than Grade 8 hardware, and they come
complete with hardened parallel-ground washers. This kit is designed for
select Chevrolet big block applications (Dart aluminum head exhaust bolts
only, 8 pieces).