Swift Rear Coil Spring - Bulletproof - 5.0" OD x 13" Tall - 150 lb. AA0220BG1T57 Edelbrock Thunder AVS or Performer

Edelbrock Thunder AVS or Performer Series 600-800cfm

87 mm Single Blade

Pro-Series 100 Micron

1983-1992 Ford E-250 Econoline

Swift Rear Coil Spring - Bulletproof - 5.0" OD x 13" Tall - 150 lb. AA0220BG1T57 Edelbrock Thunder AVS or PerformerPURPOSE 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