• GM Powerglide Circle Track 10" FastLap Torque Converter
• 10" converter (24 lb) with small bolt pattern 3-on-10.75
• 1800-2000 flash stall RPM
• Good for very heavier cars
• Low stall
• Good throttle response
• Recommended for 350+ ci, 2400+ lbs, 1/4" midplate applications