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Wedge-type shim
Fits between rear spring and axle
Changes pinion angle by +/-2.5 degrees
Fits the unique 2 hole design of the new F150 platform
Recommended to align driveline on lowered or lifted vehicles
Specialty Products Company (SPC) 86255 F-150 Pinion Angle Shims (Pair) This wedge-type shim fits between the rear spring and the axle to change pinion angle by +/-2.5 degrees. It fits the unique 2 hole design of the new F150 platform. It is recommended to align the driveline on vehicles that have been lowered or lifted.