Overview Reviews Product Description This wedge-type shim fits the 2 hole design of this platform between the rear spring and the axle to change pinion angle. Perfect to align the driveline on vehicles that have been lowered or lifted. California Residents WARNING Product Videos Custom Field Product Reviews Write a Review Write a Review × SPC Performance SPC Pinion Angle Shims for 11-14 Ford F150 - 86255 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *