UPR 79-04 Mustang HD Rear Coil Over Kit Uni 3 Weld In w/Viking C309AJ 2006-125

This complete Rear Coil Over Double Adjustable Shock Kit is great for the racer needing a custom set up. Designed for use with coil over shocks on a 3" diameter rear axle like most fabricated 9" and some factory 9" Rears, GM 10 and 12 bolt Rear Axles. Light weight 36" long 1 5/8 diameter chrome moly mounting tube and larger 1/2" grade 8 shock mount bracket hardware over the standard 3/8" that other kits use. Axle mounting brackets are laser cut for a 3" diameter axle. Installs in 3-6 hours. Built around the Viking Performance Crusader C309 Double Adjustable Coil Over Shock which has an 11.57" compressed height and 16.76 extended height. The rebound side has 22 available position of adjustments that generate a progressive curve, while the digressive compression has 19 positions of adjustment, for a total of 418 different valving combinations. Your Choice of 12 inch Springs - Select Above Allows for Maximum Tire Clearance by moving Shocks in Choose between Medium or Medium Firm shock valving - Select Above Fits: Universal Some Factory 9" and most Fabricated 9", GM 8.5 10 Bolt (full size truck and car, not S10), GM 12 Bolt Made in the USA!