H&R 60mm ID Single Race Spring Length 180mm Spring Rate 70 N/mm or 400 lbs/inch - RF180070 fits_1991-1994`Nissan`Sentra Higher coefficient of friction than

Higher coefficient of friction than competing endurance pads

and dimensionally more consistent than anything produced using the traditional wet-lay method

sport shocks

Does Not Modify Factory Harmonics/Dampening

High-gloss UV-resistant clear coat for long-term protection

H&R 60mm ID Single Race Spring Length 180mm Spring Rate 70 N/mm or 400 lbs/inch - RF180070 fits_1991-1994`Nissan`Sentra Higher coefficient of friction thanH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and