Hypercoils Coil-Over Spring - 2.5" ID x 7" Tall - 900 lb. 74000 Seamless 1/2" copper tubing expanded

Seamless 1/2" copper tubing expanded into aluminum cooling fins for maximum heat transfer

While it's true that K1 RaceGear standard neck collars in red

Handmade Cross Form Design

This line features a 3/8" hose end and a 5/8 - 18 inverted flare fitting

We are the Official Brake Product for motorsports organizations like the National Auto Sport Association (NASA)

Hypercoils Coil-Over Spring - 2.5" ID x 7" Tall - 900 lb. 74000 Seamless 1/2" copper tubing expandedHypercoil 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. Optimum Body Diameter is the