H&R 60mm ID Single Race Spring Length 200mm Spring Rate 140 N/mm or 800 lbs/inch - RF200140 fits_2005-2011`Lotus`Elise Fits All Wheel Drive (xDrive)

Fits All Wheel Drive (xDrive) models only

reasonable fuel mileage

High-grade

Vehicle Compatibility: 05-11 Mercedes SLK Class (R171)

Designed for a straightforward

H&R 60mm ID Single Race Spring Length 200mm Spring Rate 140 N/mm or 800 lbs/inch - RF200140 fits_2005-2011`Lotus`Elise Fits All Wheel Drive (xDrive)H&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