Circle D GM 300mm HP 4L80 Torque Converter

Great performance torque converter for a daily driven car or truck. This torque converter will have excellent street manners and only flash high when you want it.

*ONLY fits the dished LS-style flexplate unless optioned with Billet Front Cover*

• Converter Diameter: 300mm - 12"
• Stall speeds - 2000-2800rpm
• Hand TIG Welded
• Woven Lockup Clutch Lining
• Heavy Duty Torrington Bearings
• Exclusive CDS Bearing Retainer
• Anti-Balloon Plate
• LS Bolt Pattern
• $100 Billet Front Cover Upgrade Available (allows use of factory 4L80 flexplate)

Converter Recommendations

• 245mm - N/A Combinations (Cars and RCSB Trucks)
• 258mm - Boosted Combinations (Cars, RCSB Trucks, and aggressive ECSB/CCSB trucks)
• 265mm - N/A or Boosted Extended Cab/Crew Cab Trucks 
• 300mm/Triple Disk Pro Series - Very mild cam combinations or OE stall speed / heavy duty replacements