Swift Bulletproof Coil-Over Spring - Barrel Type - Bulletproof - 2.5" ID x 16" Tall - 175 lb. HK-PF-3.5 375-inch DOM tubing

375-inch DOM tubing

1997-1997 Ford E-250 Econoline

then starts tuning on its own

Steel Motor Mounts

Valves work well with high valve spring pressures and roller cams for reliable performance at an affordable price

Swift Bulletproof Coil-Over Spring - Barrel Type - Bulletproof - 2.5" ID x 16" Tall - 175 lb. HK-PF-3.5 375-inch DOM tubingPURPOSE 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