SPC Performance · New
SPC Performance ZINC AXLE SHIMS 4 deg.(6)
MPN 89899 · Store SKU spc89899
Supplier stock checked 11/7/2026, 4:49:58 PM UTC. Adding a part does not reserve it.
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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 4.00˚. 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 4deg(6) ZINC HD AXLE SHIMS 4(6)
Manufacturer fitment & guides
Check 89899 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y