The Edelbrock head bolt kit for Big-Block Chevrolet 396–454 Mark IV engines supplies a complete set of cold-formed, heat-treated head bolts and hardened washers for the listed Edelbrock Performer and RPM cylinder heads. Reduced-diameter bolt heads ease re-torquing without valve train removal and components are rated at 170,000 psi. The kit is intended for the specified Edelbrock big-block Chevy heads.
Edelbrock BBC Head Bolt Kit