Swift Rear Coil Spring - 5.0" OD x 14" Tall - 175 lb. 57800BK (4) 45° -4AN to 1/8"NPT

(4) 45° -4AN to 1/8"NPT valve fittings

Designed for Small-Block application

3 / 5 Rated (Tags Affixed)

125 Orifice

1971-1977 GMC Sprint

Swift Rear Coil Spring - 5.0" OD x 14" Tall - 175 lb. 57800BK (4) 45° -4AN to 1/8"NPTINCREASE TRACTION, LESS UN SPRUNG MASS, MORE STROKE, INCREASED HANDLING. THE ONLY THING YOU WILL BE LOSING IS TRACK TIME. 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 next generation of