Coan 20504 High-Performance Race Torque Converter 8 Inch Spragless TH350/TH400

The Coan 20504 is an 8-inch diameter high-performance torque converter with spragless design engineered specifically for serious drag racing and turbocharged applications. Built by Coan Racing with over 40 years of transmission and torque converter manufacturing expertise, this converter is designed to handle the extreme demands of race environments.

Key Features:

• Furnace-brazed fins increase durability and heat resistance under high-stress racing conditions
• Three sets of Torrington bearings replace thrust washers to triple thrust capacity capabilities
• Billet steel turbine hub containing thrust bearings for all major load areas
• 10.750-inch bolt circle pattern for proper flexplate fitment
• Spragless design optimized for trans-brake and power-adder applications
• 5300-5800 RPM stall range for small block and big block Chevy engines

Applications:

Compatible with GM TH350 and TH400 transmissions, this converter is ideal for turbocharged race engines, trans-brake equipped vehicles, and high-horsepower drag racing applications. The 8-inch diameter provides aggressive stall characteristics perfect for launching hard at the track. Can be adapted to fit Powerglide transmissions by changing the input shaft.

Important Notes:

This is a dedicated racing converter designed for maximum performance. Not designed for nitrous applications. Professional installation and proper setup are essential for optimal performance and durability. Stall speed will vary based on engine combination, compression ratio, camshaft profile, and rear axle ratio.