Swift Rear Coil Spring - Bulletproof - 5.0" OD x 16" Tall - 150 lb. GBD1 250-550 lb/in Spring Rate

250-550 lb/in Spring Rate

1997-1998 GMC T6500

Supplied with bronze gear

4 AN Straight Female to 4 AN Straight Female

Extended service life in methanol and ethanol

Swift Rear Coil Spring - Bulletproof - 5.0" OD x 16" Tall - 150 lb. GBD1 250-550 lb/in Spring RatePURPOSE BUILT FOR THOSE OF YOU PUTTING MORE STRESS ON A SPRING THAN HOW IS CONVENTIONALLY USED. WE SOUGHT AFTER A NEW APPROACH IN DEVELOPMENT FROM OUR REGULAR SUSPENSION SPRING. 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