Swift Bulletproof Coil-Over Spring - 3" ID x 16" - 150 lb. - Bullet Proof MT-KRX-MM-RDM Best power above 3500 RPM

Best power above 3500 RPM but still good torque

MAC Air Bundle Features: Variable Speed Controller (VSC) included

and bolts to work effectively with most 3-

7L V8 engines using the Mass Air Flow system

Swift Bulletproof Coil-Over Spring - 3" ID x 16" - 150 lb. - Bullet Proof MT-KRX-MM-RDM Best power above 3500 RPMINCREASE 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