Comp Cams 1.300" X .520" ID SPRING SEAT FOR GM LS1 Superwide-Mirrors Black Hard Panel Construction -

Black Hard Panel Construction - Durable finish resists weather and UV exposure

durable material resists warping and UV degradation

Direct bolt-in fitment eliminates guesswork on compatibility

Designed specifically for the 2005–2007 STi

at APEX USA we are very pleased to be able to offer this muffler to the US tuning market under the N1 ExTi name

Comp Cams 1.300" X .520" ID SPRING SEAT FOR GM LS1 Superwide-Mirrors Black Hard Panel Construction -Spring I. D. Locator: . 060" Thick, . 520" I. D., 1. 300" O. D. The 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