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Hays Performance Drivetrain is proud to expand its Twister Full Race Torque Converters to now include Chrysler 727 and 904 Torqueflite automatic transmissions.

Hays Full Race line of torque converters features a custom designed anti-balloon plate to stop converter ballooning and swelling in racing situations. These are designed for use with a trans-brake and great for power adders such as nitrous, superchargers, and turbos.

They are available with various RPM stall speed offerings to accommodate any mixture of modifications including higher compression ratios, aftermarket camshafts, aftermarket cylinder heads, lower gear ratios, and vehicle weight loss.