H&R 60mm ID Single Race Spring Length 85mm Spring Rate 60 N/mm or 343 lbs/inch - ZF085-060 Shift Boot At Valvetronic Designs we are

At Valvetronic Designs we are often imitated but never duplicated

The SCORCHER BLUE Power module increases turbo boost and fuel pressure to improve overall vehicle performance producing double-digit power gains on our in-house dyno

improving stability during hard cornering and highway driving while making an unmistakable statement about what the car is built for

Also included is four auxiliary 1/8" NPT sensor ports are provided for the use of sensors or any type of injection

H&R 60mm ID Single Race Spring Length 85mm Spring Rate 60 N/mm or 343 lbs/inch - ZF085-060 Shift Boot At Valvetronic Designs we areH&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