D2 PRO Lowering Springs 90-97 Accord 2.5"F/2.25"R D2 PRO lowering springs optimize and improving handling characteristics 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 Are manufactured of 55 chrome silicon steel in an ISO 9001 and TUV approved facility. Includes lifetime unlimited mileage warranty