BD Diesel Converter, Mult-Disc - 2001-2012 Chevy Duramax Allison 1000 - Low Stall 1071241

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; High Stall - Race/Drag/Sled applications only