Choose between 2500, 3000, and 3500 Performance Series. For GM / Chevy TH350 and TH400. Billet Front Cover Upgrade. 10" Diamter. Sold as Each. Hughes GM25 2500 Performance Series Torque Converter GM TH350/400, 10in The "Street" converter was design for the driver who is looking for that competitive advantage. By raising the stall RPM you can eliminate that slow, sluggish start. Recommended for stock to slightly modified engines to achieve performance, along with a smooth idle when the car is in gear. TH350 1969-79 Non Lockup. TH400 1965-90 w/6 Pad. Hughes GM30 3000 Performance Series Torque Converter GM TH350/400, 10in All Pro-Street converters are brazed to increase strength and have full needle bearing design, front and rear to insure reliability. All stall speeds are approximate and will depend upon application. TH350 1969-79 Non lockup. TH400 1965-on w/3 Pad Converter. Hughes GM35 3500 Performance Series Torque Converter GM TH350/400, 10in Excellent for weekend racing and high performance street use. All converters are brazed and feature a strengthened sprag, special cut stator, and full needle bearings front and rear. TH350 1969-79 Non lockup. TH400 1965-on w/3 Pad Converter.
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