Truhart D2 Lowering Springs 2.0&rdquo;F/2.0&rdquo;R Truhart Shocks RSX 2002-2006 Truhart Sport Shocks have a shorter piston/body and are performance valved with NOK oil seals, designed for use with lowering springs D2 PRO lowering springs optimize and improving handling characteristics and offer a reduction in ride height while maintaining exceptional ride quality through a progressive rate spring. All of our springs come with a lifetime warranty and are manufactured of 55 chrome silicon steel in an ISO 9001 and TUV approved facility. Lowers 2.0F/2.0R Includes lifetime unlimited mileage warranty