Swift Assist Springs 65mm ID, 2.7 in length 5 kg/mm Pair Standard Coilover Springs Our competitors use steel for

Our competitors use steel for their IC pipes which essentially turns these into "inter-heaters" for your charge air

Allows the use of the OEM cat

Round Wire Linear Rate Bump Springs 1600 lbs/in

For downpipe to B-pipe connection

Swift Assist Springs 65mm ID, 2.7 in length 5 kg/mm Pair Standard Coilover Springs Our competitors use steel for65mm ID, 2. 7 in length 5 kg mm Swift Assist Springs are made from a proprietary material. Heavier rates of assist springs over helper springs are used to fine tune the rebound travel of the shock. These springs can also help preventing loss of traction due to inside wheel lift during hard cornering. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans Series,