H&R 60mm ID Single Race Spring Length 140mm Spring Rate 180 N/mm or 1027 lbs/inch - RF140180 fits_2006-2009`Pontiac`Solstice The AutoTecknic roof spoiler for

The AutoTecknic roof spoiler for the W204 C Class is beautifully made with durable ABS material

This is more than just an upgrade—it’s a statement

The result is a harmonious balance between power

This Silver Bullet throttle body spacer uses all factory mounting locations and a gasket ensuring a proper seal and a hassle-free installation

100% Reversible: Always possible to return to stock configuration

H&R 60mm ID Single Race Spring Length 140mm Spring Rate 180 N/mm or 1027 lbs/inch - RF140180 fits_2006-2009`Pontiac`Solstice The AutoTecknic roof spoiler forH&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