Suit GM TH350/400 12" Diameter, 2500 Stall With Diode & Balloning Plate

HTGM25HDX

GM25HDX

Street Master 2200-2500 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.