Hypercoils UHT Barrel Coil-Over Spring - 2.5" ID x 12" Tall - 230/700 lb. Progressive Helmet Peak Screw Kit 50 State Legal EO/CARB D-541-18

50 State Legal EO/CARB D-541-18

1966-1966 GMC PB3500 Van

500" long for use with Oldsmobile 350 and 403 with 1441-KIT rocker kit

Fixed posts have a 1" O

ADVANTAGES:

Hypercoils UHT Barrel Coil-Over Spring - 2.5" ID x 12" Tall - 230/700 lb. Progressive Helmet Peak Screw Kit 50 State Legal EO/CARB D-541-18Hypercoil Coil Over Springs are high performance, aftermarket suspension springs primarily used in Motorsports and Motor Racing. Hypercos coil over springs, also known as Hypercoils, offer a wide range of free lengths and rates which provide the suspension designer latitude in creating a motion ratio for the suspension system that will permit an optimized damper or spring assembly to control a wide range of wheel travel. Hypercoil Ultra High Travel