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Product Information

These SPC pinion angle shims are built for 2011-2026 Ford F-150 trucks with the 2-hole rear spring perch design. The wedge-shaped shim installs between the rear spring and the axle to change pinion angle, correcting driveline alignment on trucks that have been lowered or lifted.

Why Upgrade to Pinion Angle Shims

Per SPC, here's what these shims change:

  • A wedge-shaped shim that installs between the rear spring and the axle to change pinion angle.
  • Sized for the 2-hole rear spring perch pattern used on this F-150 platform.
  • Aimed at trucks that have been lowered or lifted, where the change in ride height throws the driveline out of alignment.

Fitment Notes

Fits 2011-2026 Ford F-150: Base, Raptor (2011-2023), Tremor (2021-2026), and Lightning (2022-2023). Does not fit F-150 Raptor R.

More Suspension Accessories parts that fit your F-150

Install and Honest Talk

This shim corrects pinion angle only. It doesn't raise or lower the truck itself: it corrects the angle at the axle that a lift or a lowered stance already changed, and it's built for the 2-hole rear spring perch pattern on this F-150 platform, so it won't work with a different perch design. What else you need: [VERIFY: install steps, whether longer U-bolts or other hardware are needed to clamp the spring pack with the added shim thickness, torque specs, and the text of SPC's California residents warning.]

Specs

  • Brand: SPC Performance
  • Part number: [VERIFY: part number]
  • Quantity: [VERIFY: quantity in kit]
  • Part type: [VERIFY: catalogue files this under "Alignment Kits", but the product is pinion angle shims that correct driveline angle at the axle]
  • Shim type: Wedge-type
  • Spring perch pattern: 2-hole
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