Machined pistons, HD springs absorb shock of engagement, stamp forged 1 - piece cover. Eliminates warpage from clutch heat. Taller cover can be rebuilt more often, trapezoid teeth design. Engineered tighter tolerances. Self - centering teeth design increases contact decreases wear and chatter. Thrust bearings - not plastic thrust washers. Riveting process ensures alignment eliminates vibration or embrittlement from welding. Cast stator designs maximizes torque. New sprag components ensure long term durability. Furnaced brazed fins reduces internal leakage for improved fluid coupling efficiency. Reduced overall weight by 12lbs compared to competitors. Warranty - Parts 36 Month150,000 miles, Labor 12 Month12,000 Miles.