Swift Coil-Over Spring - 2.5" ID x 8" Tall - 425 lb. H776C01XS 1961-1968 Mercury Colony Park

1961-1968 Mercury Colony Park

NP435 and NP445 manual transmissions may require the input shaft pilot to be shortened approximately 5/8" to prevent bottoming out in the shallow counterbore of the GEN3 Hemi crankshaft flange

Can display AFR values in hundredths of %

and Mating Flange Hardware Included

OEM / Edelbrock RPM

Swift Coil-Over Spring - 2.5" ID x 8" Tall - 425 lb. H776C01XS 1961-1968 Mercury Colony ParkINCREASE 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