Stage 1 is ideal for snowplows and trucks towing an extra 4,000 pounds, muscle cars & hot rods. Ideal for drivers wanting more than shift kits and overall better transmissions!
Stage 2 is built for trucks towing loads up to 10,000 lbs. on a fifth wheel, engines w/ added horsepower of 100 to 225, street racers, and diesel engines chipped for more power!
Stage 3 is for heavy-duty trucks hauling loads of 10,000 lbs. or more, engines that have added horsepower of 250 or more, and drag cars running a quarter mile in under 12 seconds!