QA1 MOD Series Rear Pro Coilover Kit, 200 lbs/in Rate - 1978-1980 Pontiac Grand Am RZR XP 1000 Limited Edition 2012 Mercedes-Benz S Class RWD

2012 Mercedes-Benz S Class RWD (W221)

Part Number: VWS MU21S1

Part Number E10-15-021-12-22 Part Name Pro-Kit Lowering Springs UPC 803050397195 Vehicle 2015-2021 Audi S3 2

The fixed damping eliminates trackside guesswork — BLOX has already dialed in the valving for launch and rebound behavior that suits the EK Civic chassis

QA1 MOD Series Rear Pro Coilover Kit, 200 lbs/in Rate - 1978-1980 Pontiac Grand Am RZR XP 1000 Limited Edition 2012 Mercedes-Benz S Class RWDdon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1978 1980 Pontiac Grand Am 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