QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 650 lbs/in Rate - 1975-1979 Buick Skylark bilstein-b8-6100-monotube-suspension-shock-absorber 2023 BMW M4 Competition xDrive

2023 BMW M4 Competition xDrive Coupe AWD (G82)

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QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 650 lbs/in Rate - 1975-1979 Buick Skylark bilstein-b8-6100-monotube-suspension-shock-absorber 2023 BMW M4 Competition xDrivedon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1975 1979 Buick Skylark 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