Hypercoils UHT Barrel Coil-Over Spring - 2.5" ID x 12" Tall - 230/700 lb. Progressive Helmet Peak Screw Kit 500" long for use with

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

75" Stroke

Plastic Knob

ADVANTAGES:

50 State Legal EO/CARB D-541-18

Hypercoils UHT Barrel Coil-Over Spring - 2.5" ID x 12" Tall - 230/700 lb. Progressive Helmet Peak Screw Kit 500" long for use withHypercoil 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