Crane Cams Pedestal Rocker Arm Shim Kit, Ford, V8 Except FE, .030/.060 in., Set of 32

Crane Cams Pedestal Rocker Arm Shim Kit, Ford, V8 Except FE, .030/.060 in., Set of 32

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Crane Rocker Arm Pedestal Shim Kits

99170-1

Hydraulic lifters may have excessive preload due to a cam change, valve job, or head resurfacing. To cure this without buying custom-length pushrods, Crane offers these pedestal shim kits. The kits include 16 thin and 16 thick shims, which can be used to reduce lifter preload by .030 in. (thin shim), .060 in. (thick shim), or .090 in. (thin plus thick shim).

These will fit the Ford V8 255-302, 302 H.O., 351W, 351C, 351M, 400, & 370-429-460 engines.

This rocker arm shim kit is for use on engines utilising non-adjustable pedestal mounted, bridge pivot, or shoulder bolt rocker arms. The hydraulic lifters in these engines may have excessive preload due to a camshaft change, valve job, head resurfacing, etc. To cure this problem, without resorting to different pushrods, we offer this shim kit containing two different thickness shims. On engines with bridge-pivot mounted rocker arms, the shims are placed between the pivot base and the cylinder head. You MUST use the same thickness shims under each side of the bridge to prevent binding or breaking the bridge when you torque the mounting bolts to the factory torque specs. On engines with pedestal or shoulder bolt mounted rocker arms, the shims are placed between the shoulder and the cylinder head. Shims may vary between each rocker arm if necessary. Torque the bolt to the factory torque specs after installing the shims. The shims will decrease lifter preload approximately .030", .060" or .090" depending on the shims used. Maintain a recommended lifter preload of between .020" minimum and .060" maximum for proper lifter operation.