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 | Shims ~ Spring ~ HFS ~ Pair 4 Degree Shims for 1.5" Shachles
6 Degree Shims for 2.5" to 3" Shackles
HFS Spring shims counter problems caused by installing taller than stock height shackles. Caster correction Shims help correct drive shaft angles to relieve stress on U-joints by rotating axles up. Shims correct steering caster angle. Shims reduce wear on knuckle, bearings & tie rod ends. Shims help stabilize steering and reduce road wander.
Install thick part of the shim to the front of axels which will increase caster. Shim installs on center pin of spring stack.
Select 4" x 3/8" Pins if needed. Pins sold in Pairs
Note: System will add $3.00 to base price for pair of Pins.

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