Earl's Racing Products Head Bolt Set-12 Point head - TBS-002ERL performance-exhaust-mufflers 6 V8 1979 - 1980

6 V8 1979 - 1980 GMC G3500 Rally STX 400/6

The carbureted Hi-Ram manifold line has a new addition for the 8

8 L4 1991 Mazda Protege DX 1

6 V8 1974 - 1986 Chevrolet K20 Suburban 350/5

Earl's Racing Products Head Bolt Set-12 Point head - TBS-002ERL performance-exhaust-mufflers 6 V8 1979 - 1980Overview: Earl's Racing Products head bolts are made from premium quality 170,000 psi chromemoly alloy steel (about 15% stronger than Grade 8). These bolts have a reduced wrench size (choose from 12 point or hex head) for extra socket clearance (provides extra clearance to rocker arms when re torqueing heads). The wide flanged head provided more support for the extra thick chromemoly washers. These head bolts are reusable and are the ideal way to