Competition Engineering Rear Coil-Over Springs - 150 lb. 122006 Duration 287 / 289

Duration 287 / 289

1984-1992 GMC K1500 Suburban

Fuel Injected Engines: E85 up to 910 FWHP - naturally aspirated up to 700 FWHP - forced air induction

2003-2003 Roadmaster Rail S-Monocoque

1992-1994 Chevrolet C1500 Suburban

Competition Engineering Rear Coil-Over Springs - 150 lb. 122006 Duration 287 / 289Each spring is computer designed for specific rear end weights to establish the correct ride height and to allow the full range of suspension travel The Chassis People at Competition Engineering have built a solid reputation by designing and manufacturing the finest chassis and suspension components available for both street and strip applications. From performance street machines to professional drag racers, our products are designed to get power