Swift Rear Coil Spring - 5.0" OD x 20" Tall - 100 lb. SC04301 Right corner raised 2" for

Right corner raised 2" for better ground clearance

black finish

1958-1967 Chevrolet Biscayne

1980-1992 Mercury Grand Marquis

149" needle and seat assembly

Swift Rear Coil Spring - 5.0" OD x 20" Tall - 100 lb. SC04301 Right corner raised 2" forDEVELOPED SPECIFICALLY FOR ROUND TRACK RACING. DESIGNED TO HAVE THE OPTIMAL SPRING RATE SWEET SPOT WHERE THE SPRING IS USED ON ACTUAL VEHICLE. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications. With options for both dirt and asphalt tracks, Swift has a wide range of coil spring formats, including coil over, dual rate, bump springs, and more. Swift Springs superior engineering has provided the