H&R 2.5 inch ID Single Race Spring Length 8 inch Rate 700 lbs/inch - R25080700 fits_2003-2011`Mercedes-Benz`SL55 Dual 4-1/2 IN Diameter Black

Dual 4-1/2 IN Diameter Black Stainless Steel Clamp-On Exhaust Tips

back up better

complete with new seals and O-rings will restore your 6

Directly replace your restrictive charge pipes with aFe POWER's BladeRunner free-flowing

This BladeRunner Street Series Radiator features a 2-1/4" thick tube and fin core which provides greater heat dissipation and better coolant flow than the factory radiator for optimum cooling efficiency

H&R 2.5 inch ID Single Race Spring Length 8 inch Rate 700 lbs/inch - R25080700 fits_2003-2011`Mercedes-Benz`SL55 Dual 4-1/2 IN Diameter BlackH&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