Big Block Chevy - Pro Series 12-Pt. Bolts

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy Brodix w/undercut - Pro Series 12-Pt. Bolts

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy Dart or Merlin Heads with undercut stems - Pro Series 12-Pt. Bolts

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Ford 351W Pro Series 12-Pt. Bolts

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Pro Series 12-Pt. Cylinder Head Bolts - Small Block Chevy

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Small Block Chevy Dart-Buick Heads with undercut studs - Pro Series 12-Pt. Bolts

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy - HP Series Hex Bolts

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Ford 351W - HP Series Hex Bolts

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

HP Series Cylinder Head Hex Bolts - Small Block Chevy

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy - HP Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy w/undercut studs - Pro Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy Brodix w/undercut - Pro Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy Dart or Merlin Heads with undercut stems - Pro Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Big Block Chevy Dart or Big Chief 7/17" undercut (12 pt nuts) - Pro Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Ford 351W - HP Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Ford 429 incl. CJ-SVO Alum. and Ford 460 385 Series - HP Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

HP Series Cylinder Head Studs - Small Block Chevy

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Small Block Chevy Dart-Buick Heads with undercut studs - Pro Series Studs

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 re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.