QA1 CR-S Tapered High Travel Coil Spring - 4.125" ID, 300 lbs/in Rate, 11" Length - 1971-1987 Pontiac Bonneville 1983 RB25DETT Damper Piston Diameter 44mm

RB25DETT Damper Piston Diameter 44mm Spring Rate - Front 8K Spring Rate - Rear 6K Spring Length - Front 8" Spring Length - Rear 9" Upper Mount - Front Rubber bushing Upper Mount - Rear Rubber bushing Camber Adjustment - Front Not applicable Camber Adjustment - Rear Not applicable Vehicle Fitment

6R Limited (BM/BR/BS/BW) have a huge influence on vehicle stability

2006 Honda S2000 CR (AP2) (AP1/AP2)

2009 Honda Element FWD (YH1)

For most daily-driven Lexus IS300 builds

QA1 CR-S Tapered High Travel Coil Spring - 4.125" ID, 300 lbs/in Rate, 11" Length - 1971-1987 Pontiac Bonneville 1983 RB25DETT Damper Piston Diameter 44mmThese silver powder coated springs on your 1971 1987 Pontiac Bonneville fit perfectly with QA1's Pro Coil Shock Systems. These springs are available with flat and pigtail ends and in 10" and 11" free lengths. Made with the highest quality materials, QA1'springs are strong, consistent and have a long life. All QA1'springs are manufactured using the highest quality materials for high strength, consistency and long life. They are cold wound, heat treated