Swift Rear Coil Spring - 5.0" OD x 16" Tall - 65 lb. EAR-LSO-3.5HP Custom contoured fitment for a

Custom contoured fitment for a snug tight finish

1975-1980 Mercury Monarch

no calibration required

3/16 to 1/2 in

LS1 Hot Camshaft

Swift Rear Coil Spring - 5.0" OD x 16" Tall - 65 lb. EAR-LSO-3.5HP Custom contoured fitment for aINCREASE TRACTION, LESS UN SPRUNG MASS, MORE STROKE, INCREASED HANDLING. THE ONLY THING YOU WILL BE LOSING IS TRACK TIME. Pit Stop USA offers Swift Rear Coil Spring 5. 0" OD x 16" Tall 65 lb. 160 500 065 at low everyday prices. Check out all our products from Swift Springs including Swift Springs 5. 0" O. D. x 16" Rear Coil Springs, 5" x 16" Rear Coil Springs. Swift Springs manufactures springs with differing rates for a variety of circle track racing