Jantz Engineering: Products

Jantz Engineering provided high performance rugged and innovative products to hard Core 4x4 enthusiasts.

Jana 54
JANA 54 kit Installs Dana 50 gears into Dana 44 High Pinion housings, making them 44% stronger.
Jana 76
All the commercially (desirable) Dana 70 high and low gear sets can be fitted into Dana 60's with our Jana Hybrid kits.
Jana K4
JANA k4 kit Installs the new Stronger Dana JK44 gears into your old standard d44 making them approximately 44% stronger.
Jana Load Bolts
Jana Load bolt kit modifies the gear housing to handle increased stress.
Jana Girdle
Jantz J-Flaters
Four-wheeling typically starts out with the ritual of turning in the hubs and airing down the tires Airing down tires usually results in playing the "press the valve core in with your key and wait forever game" or you remove the core and sometimes play the "where did the valve core go game". This is where the JFlaters comes in.
*NEW*Jana Wheel Bearing Adjuster*NEW*
Jantz 45 Second Wheel Bearing Adjuster -- We can build these for most any make and model vehicle.