QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 550 lbs/in Rate - 1973-1981 Pontiac LeMans eibach-platinum-series-barrel-main-single-coil-spring Bilstein B4 OE Replacement (DampTronic)

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QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 550 lbs/in Rate - 1973-1981 Pontiac LeMans eibach-platinum-series-barrel-main-single-coil-spring Bilstein B4 OE Replacement (DampTronic)don't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1973 1981 Pontiac LeMans 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