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Is not harmful to synthetic rubber seal materials
Will not fit 1992 and later Magnum engines
50 Thread Temperature Sensor
and standard valve spacing make this the perfect street head for 350-383 ci engines
Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" - 100-300 lb. R03P003XXXL Is not harmful to syntheticINCREASE 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