Swift Assist Springs 65mm ID, 2.7 in length 4 kg/mm Pair HFC 5" Track Pipe addresses the

5" Track Pipe addresses the rear of the car by removing over 20lbs of polar weight on the vehicle

1994-1998 Nissan Skyline (R33)

7 in length 4 kg/mm

270 lbs/in

Get the soft stock bushings off and add some SPL TITANIUM Series Rear Traction Arms to keep everything solid on the track

Swift Assist Springs 65mm ID, 2.7 in length 4 kg/mm Pair HFC 5" Track Pipe addresses the65mm ID, 2. 7 in length 4 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,