Earl's Racing Products Head Bolt Set - Hex Head - GM LS Engines - 1997-2003 2011 chevrolet camaro NOTE: without vacuum advance: uses

NOTE: without vacuum advance: uses nylon lock-out

Fitment Note: UMI's rear lowering shackles lower the rear of the truck up to 1-1/2"

For buyers wishing a taller (4-1/32") filter

The premium spherical joint minimizes suspension deflection for improved handling

which help reduce road noise and absorb shocks

Earl's Racing Products Head Bolt Set - Hex Head - GM LS Engines - 1997-2003 2011 chevrolet camaro NOTE: without vacuum advance: usesEarl's Racing Products head bolts are made from premium quality 170,000 psi chrome moly 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 chrome moly washers. These head bolts are reusable and are the ideal way to upgrade the