H&R 60mm ID Single Race Spring Length 180mm Spring Rate 160 N/mm or 913 lbs/inch - RF180160 Suspension>Coilovers Dual 3 1/2 IN Diameter

Dual 3 1/2 IN Diameter Black 304 Stainless Steel Exhaust Tip

Features a VIAIR 100% duty cycle 16444 Compressor 1/4 inch air line for accurate and smooth adjustment

corrosion resistance and strength eliminating cracking

It delivers more engine protection

H&R 60mm ID Single Race Spring Length 180mm Spring Rate 160 N/mm or 913 lbs/inch - RF180160 Suspension>Coilovers Dual 3 1/2 IN DiameterH&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