H&R 60mm ID Single Race Spring Length 100mm Spring Rate 380 N/mm or 2169 lbs/inch - RF100380 Gauges Offering quick and convenient air

Offering quick and convenient air pressure adjustment

Eliminates Suspension Control Error Light When Lowered/Raised more than 1”

allowing for settings to accommodate most driving conditions

The 2 IN loop pipe replaces the factory side mufflers

42-in thick brazed aluminum core which provides efficient fluid temperature regulation on the street and track

H&R 60mm ID Single Race Spring Length 100mm Spring Rate 380 N/mm or 2169 lbs/inch - RF100380 Gauges Offering quick and convenient airH&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