ZF6- Ford started using this transmission design in ’99 and they work well behind the Cummins. They are rated for 520 ft/lbs of torque. Our adapter plate for this transmission uses the Ford 6.0 starter, so no grinding of the transmission or engine block is required for starter clearance.

It is possible to use the Ford 6.0 single mass clutch with our custom flywheel. Some stock application 6.0’s have a dual mass clutch these will not work. The best option is to use a Ford 7.3 ZF6 clutch with the proper flywheel- and we can set you up with that too.

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