Comp Cams Spring Shim Kit, 1.437" O.D., .645" I.D. Inc. Duration:256 Intake/268 Exhaust

Duration:256 Intake/268 Exhaust

but verify compatibility with your switch's electrical load before upgrading—some LED units pull less power and may cause flickering or hyper-flash

Level sender ready - Mounts directly to compatible fuel gauges for real-time fuel monitoring

Installation instructions not included: Professional installation strongly recommended unless you have experience with Fox Body / SN95 accessory drive service procedures

these mounts also address clearance issues commonly encountered with aftermarket parts

Comp Cams Spring Shim Kit, 1.437" O.D., .645" I.D. Inc. Duration:256 Intake/268 ExhaustSpring Shim Kit, 1. 437" O. D., . 645" I. D. This shim kit contains . 015", . 030" and . 060" thick Valve Spring Shims with 1. 437" outside diameter and . 645" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat treated to stand up to radical cam lobes. Kits are also available.