QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 300 lbs/in Rate - 1973-1988 Buick Regal B250 designed for Porsche 911 Carrera

designed for Porsche 911 Carrera drivers who push hard at the track but still drive the car on the street

Whiteline Bushings to your 1994 Nissan Sentra Limited Edition (B13) are engineered to last and deliver improved driving performance

Ideal for motorsport where every minor advantage counts

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2009 BMW 6 Series (E64)

QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 300 lbs/in Rate - 1973-1988 Buick Regal B250 designed for Porsche 911 Carreradon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1973 1988 Buick Regal 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 packs