Swift Coil-Over Spring - 2.5" ID x 8" Tall - 300 lb. 1126201 The dwell in our Dyna-Module

The dwell in our Dyna-Module has been increased electronically to allow the coil to produce a longer duration spark

Engraved Front and Rear: Cursive/Challenger

Use Anti-Seize to prevent galling on the bulkhead nut

1967-1974 GMC C25/C2500 Suburban

Packaged in sets of 8

Swift Coil-Over Spring - 2.5" ID x 8" Tall - 300 lb. 1126201 The dwell in our Dyna-ModuleINCREASE 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