QA1 MOD Series Rear Pro Coilover Kit, 250 lbs/in Rate - 1978-1981 Pontiac Catalina bilstein-ak-series-monotube-suspension-shock-absorber AST Lowering Springs for the

AST Lowering Springs for the 2010-2016 Kia Sportage (SL) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

2019 BMW M2 (F87/Pre-Facelift)

Excellent ride quality

2005 Mitsubishi Lancer Evolution EVO VIII/IX (CT9A/CN9A)

Length-adjustable billet-aluminum arm with urethane bushings replaces the factory non-adjustable trailing arm bushing

QA1 MOD Series Rear Pro Coilover Kit, 250 lbs/in Rate - 1978-1981 Pontiac Catalina bilstein-ak-series-monotube-suspension-shock-absorber AST Lowering Springs for thedon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1978 1981 Pontiac Catalina 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