COMP Cams Spring Seat Locator for #26918 w/ .570" Guide AA0710AG1S59 Mechanical / Liquid Filled Gauges

Mechanical / Liquid Filled Gauges

12 AN Male to 16 AN Male O-Ring

2001-2007 GMC Sierra 2500 HD

1987-1992 Pontiac Firebird

COMP Cams Spring Seat Locator for #26918 w/ .570" Guide AA0710AG1S59 Mechanical / Liquid Filled GaugesThe old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines. COMP Cams offers a simple but effective solution to this problem. These Valve Spring Locators provide a thin, hardened steel alloy seat that will not only protect the head and shim, but also locate and hold the spring in place. Previously, this part has been available only in a cup form with the retaining portion being on the outside of the