Click on the butons for our differential catalogs. These are a "work in progress" so please check back often. Last update 10-20-08

We carry products for a wide variety of differentials Please call with needs for ... AMC Agricultural and Off Highway Ford-Dana/spicer GM- Dana/Spicer Hummer International Isuzu Jaguar Jeep-Dana/Spicer Mazda Medium and Heavy Duty truck Suzuki Toyota Volvo

Welcome. Proven Force has been supplying Minnesota with the highest quality replacement clutches, differential parts and u-joints since 1974 And now even better! We are together with Midwest Transmission, so we can now supply all driveline parts from the back of the flywheel to the end of the axles! Call today with your wants and needs!