Hypercoils UHT Barrel Coil-Over Spring - 2.5" ID x 12" Tall - 230/700 lb. Progressive 84304A That Is Right - This

That Is Right - This Means No Return Line Needed

They are made of cast iron and install into the exhaust crossover without any modifications

Does not have silicone beadSince 1938

Bracket attaches to top of most quick change rear end center section

Tuning for shift points

Hypercoils UHT Barrel Coil-Over Spring - 2.5" ID x 12" Tall - 230/700 lb. Progressive 84304A That Is Right - ThisHypercoil 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