Description

Billet Direct Drum for 4L80E/4L85E & TH400 Transmissions

Unleash the full potential of your transmission with our premium Billet Direct Drum, engineered for high-performance builds using the 4L80E, 4L85E, and TH400 platforms. Designed to handle extreme torque and horsepower, this drum is the ultimate upgrade for racers, off-roaders, and heavy-duty enthusiasts who demand reliability without compromise.

 Key Features:

• 36-Element Oversized Sprag
  Built for brutal launches and high-stress conditions, the oversized sprag delivers unmatched holding power and durability. Say goodbye to sprag failures under load.
• Billet Aluminum Construction
  Precision-machined from high-strength billet for superior rigidity and heat resistance. This drum won’t flex or fatigue under pressure.
• Factory-Size 4L80E/4L85E Friction Compatibility
  Retains OEM friction dimensions for optimal clutch surface area and thermal management. No need to downgrade to smaller Powerglide frictions—this drum keeps your build robust and reliable.
• High-Capacity Clutch design
• Designed to hold additional clutches to provide maximum durability in extreme conditions.
• TH400 Compatibility
  Seamlessly integrates with TH400 setups, making it a versatile choice for hybrid builds and custom applications.
• Drop-In Ready
  Designed for easy installation with no need for custom machining or exotic components. Built to work with your existing clutch pack and transmission architecture.

** Frictions and Steels are not included.