High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15 percent stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Details:

• Material: 8740 Chrome Moly
• Finish: Black Oxide
• Bolt Series: High Performance
• Head Style: 12-Point
• Package Type: Box
• Kit Type: Bolt

Fitment Notes:

• Make: Chevrolet, Small Block
• Application: 23 Degree Cast iron OEM, Gen III Vortec/Truck, most Edelbrock, LT-AFR, Brodix-8,-10,-11,-11xb, LT-1, Dart Pro-1, Trick Flow heads & most World Products heads (black oxide inner rows, stainless steel outer row)
• Engine Application: Chevrolet Small Block