Speedmaster PCE279.1006 Fits Chevy BBC 454 12 Point 6.100" Head Studs (8 Studs Only)

Speedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and 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. All kits come complete with 12 point nuts and hardened parallel washers for an even load distribution and accurate torque readings.

• Made from aircraft quality 8740 high tensile strength chromoly steel
• Cold-forged to ensure molecular integrity