Swift Bump Spring - Flat Wire - 500 lb. 2020006 Will not work with aftermarket

Will not work with aftermarket serpentine pulley systems and will require the use of a long-style water pump kit includes the supercharger assembly with Eaton internals

2001-2006 Chevrolet Silverado 3500

7 L Powerstroke

2 oz External Balance

Less Points of Failure

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