QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 300 lbs/in Rate - 1956-1957 Chevrolet Bel Air Astra Bilstein B4 OE Replacement Dampers

Bilstein B4 OE Replacement Dampers for the 2015-2022 Mercedes-Benz Sprinter 3500 are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle

2009 Subaru WRX STI (GE/GH/GR/GV)

2007 Toyota Alphard Hybrid FWD (ATH10W)

2000 Mercedes-Benz E420 (W210)

2006 Audi A6 Quattro Avant 8 Cyl (4F)

QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 300 lbs/in Rate - 1956-1957 Chevrolet Bel Air Astra Bilstein B4 OE Replacement Dampersdon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1956 1957 Chevrolet Bel Air 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