The SPC Performance wedge-type shims fit the two-hole design of the F-150 platform and install between the rear spring and the axle to change pinion angle. They are ideal for correcting driveline angle on trucks that have been lowered or lifted, with a pinion adjustment range of +/-2.50 degrees. One is required per axle.
- Type: wedge-type pinion angle shim
- Adjustment range: pinion +/-2.50 degrees
- Installs between the rear spring and the axle (2-hole design)
- Corrects driveline angle on lowered or lifted trucks
- One required per axle
- Part number: 86255
FAQ
What do the SPC 86255 shims adjust?
They change rear pinion angle by up to +/-2.50 degrees to correct driveline angle.
When would I use them?
Use them to reset driveline angle after a truck has been lowered or lifted.
How many are needed?
One is required per axle.
What is the part number?
The part number is 86255.

