DIFtech Rear Articulating Perch kit for BMW E46 M3 Under-body Adjuster 10724

Fits BMW E46 3-series chassis Articulated spring perches ensure consistent spring rate Simple under-body ride height adjustment Full articulation capability at all ride heights Easy-to-use detent style adjuster Designed to work with 65mm diameter x 5" (127mm) long springs Complete kit includes mounting hardware Springs not included Made from high strength, aerospace alloys Anodized finish for look and durability Engineered, fabricated, and tested in the United States Finally on the market, DiFtech's articulating rear spring perch for E46 M3 and 3-series! This kit is the absolute best way to convert your stock rear spring setup into an adjustable performance setup. The ride height adjuster is moved to the under side of the rear control arm for easy adjustment without removing the wheels. The adjuster is made with spring detents to give adjustment reference points and to hold the adjustment in place while the spring is unloaded. Most importantly, the spherical mounted articulating spri