190-3602 – ARP Cylinder Head Bolt Set, For Use With 1965-1966 Pontiac 326/ 389/ 421 cid D Port Heads Hex Style Head Type 180000 Pounds Per Square Inch Tensile Strength Black Oxide Chrome Moly With Washers

ARP Cylinder Head Bolt Set featuring For Use With 1965-1966 Pontiac 326/ 389/ 421 cid. Part #: ARP190-3602.

Features

• High Performance Head Bolts Are Available With A Reduced Wrenching Hex Or 12 Point
• Wide Area Flanged Head That Eliminates The Need For Valve Train Removal To Facilitate Cylinder Head Retorquing
• Rated At 180,000 Psi Tensile Strength
• High Performance Head Bolts Are Stronger
• No Supplier Warranty