SPC Performance ZINC SHIMS 3.5x6.25x2.5 deg. Rails Fitment Info: Fits most K-Series

Fitment Info: Fits most K-Series engines except for the direct-injected K20C and K20B engines

SPAL 962 CFM 11in Medium Profile Fan - Pull

These over-the-road heavy duty truck axle shims are a fast and accurate means to align front or rear axles of most popular tandem trailers and trucks

Next we pair the struts with a high-tensile strength steel spring that is designed to last without sagging or premature wear

2-Way Adjustable Performance Shifter

SPC Performance ZINC SHIMS 3.5x6.25x2.5 deg. Rails Fitment Info: Fits most K-SeriesThese over the road heavy duty truck axle shims are a fast and accurate means to align front or rear axles of most popular tandem trailers and trucks. Specialty Products' new ZincAlloy shims offer another level of performance versus our traditional alumin