Circle D GM 300mm HP 4L80 LS Torque Converter (Billet Front, Long Crank LQ4 & SBC Fitment)

Circle D 300mm High-Performance LS Torque Converter

Upgrade your high performance daily driver or race machine with a high-performance 300mm torque converter designed to provide excellent street manners while delivering impressive power on demand. This converter only flashes high when you want it to, offering smooth operation and exceptional reliability. Built to last with heavy-duty components, it delivers the perfect balance of comfortable daily drivability and aggressive performance. Ideal for daily drivers and performance builds with up to 750hp. See other listings for Circle D's converter with a stamped cover for builds with less power handling requirements.

Key Features

• 300mm (12") diameter with standard LS bolt pattern
• Billet front cover for high power capacity
• Versatile stall speeds ranging from 1800 to 3200 RPM
• Hand TIG-welded construction with a built-in anti-balloon plate
• Enhanced woven lockup clutch lining for consistent performance
• Heavy-duty Torrington bearings and exclusive CDS bearing retainer

Fitment

• Long Crank LQ4 (99-00 2500 & 3500 with 6.0L)
  
• 4L80E to BBC/SBC swaps
  
  

Note: Verify transmission and dished flexplate compatibility before ordering.