ATS Allison Five Star Torque Converter for Chevy/GMC (2001-21) 8.1L Gas with Allison LCT1000 2200-2500 RPM Stall Speed

Key features of the ATS Five Star Torque Converter include:

• Patented Viskus Clutch Drive System for increased efficiency
• Billet Cover with Patented Square Flank Drive
• Square Tab Construction (Not Round)
• Viskus Disc CNC Laser Cut Clutch Plates
• Billet Piston with Patented Flank Drive Tab design
• Proprietary ATS exclusive Clutch Formulation with unique bonding technology (ensures 100 percent chemical Bond)
• Redesigned Spring Dampener supports increased torque loads
• 4340 hardened turbine splines provide longevity and reliability
• Fully welded turbine and impeller vanes
• CNC Stator with high flow windows increase oil flow, providing increased efficiency
• Full roller bearing construction between high load areas
• 4340 CNC cut pump drive hub locked into impeller housing
• Plasma welded for unsurpassed strength

The ATS Five Star utilizes an optimized factory stall speed that features improved torque multiplication. With factory torque multiplication at approximately 1.25:1, the ATS Five Star boasts 2.4:1. This occurs when peak engine torque is achieved. Increased torque multiplication results in improved vehicle response, towing and driving ability.