SPC Performance · New
SPC Performance ZINC AXLE SHIMS 3-1/2 deg.(6)
MPN 89799 · Store SKU spc89799
Supplier stock checked 11/7/2026, 11:38:30 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
These heavy-duty axle caster shims can also be used to adjust pinion angle on leaf spring suspension type vehicles with 3" - 3.5" - 4" wide leaf springs. Each shim features a double breakaway portion to fit the spring vehicle width as needed. The shim range features 0.50˚ taper, and this specific part number provides 3.50˚. Six shims per box. Twice the coverage - half the inventory. Changes caster positive or negative from 1/2 degree to 4 degree. APPS: Any solid axle RWD or 4WD vehicle. California Residents WARNING Twice the coverage - half the inventory. Changes caster positive or negative from 1/2 degree to 4 degree. APPS: Any solid axle RWD or 4WD vehicle. ZINC HD AXLE SHIMS 3-1/2deg(6) ZINC HD AXLE SHIMS 3-1/2(6)
Manufacturer fitment & guides
Check 89799 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
