QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 500 lbs/in Rate - 1971-1996 Chevrolet Impala Sierra 2500 4 inches Fitment Note 1

4 inches Fitment Note 1 Lowering varies by engine size

AST Suspension designed the Competition 3-way adjustable series to fit the 2015+ BMW 3 Series 325d (F3X LCI 5 Bolt) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut

2002 Mercedes-Benz SLK (R170)

2012 BMW 328i (E90/E91/E92/E93)

QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 500 lbs/in Rate - 1971-1996 Chevrolet Impala Sierra 2500 4 inches Fitment Note 1don't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1971 1996 Chevrolet Impala to meet the demands required by today's high performance drag race and handling pro touring cars, QA1's multi patent pending MOD Series shock will transform the way racers respond to changing track conditions and configurations. The key element to this tunability is QuickTune Technology: dry modular valve