Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The SPC heavy‑duty break‑away axle caster shims are supplied six per box for adjusting pinion angle on Jeep CJs and similar vehicles with 1‑3/4" to 2" wide leaf springs. These shims feature a 2½° taper to let technicians make moderate corrections to axle or pinion angle. They’re a compact, vehicle‑specific alignment aid for off‑road and classic leaf‑spring setups.
SPC Performance BREAK AWAY AXLE SHIMS(6)
