Out of stock
SKU: TCI242500
UPC: 788120003629
MPN: 242500
The TCI 700R4 Breakaway Torque Converter 27-Spline (part number 242500) is a direct-fit stall converter engineered for General Motors 700R4 and 200R4 automatic transmissions. This 12-inch diameter unit delivers a 2200–2600 RPM stall range and features full lockup capability, making it a proven choice for street performance, light towing, and responsive off-line launches without sacrificing drivability on the highway.
The 27-spline input shaft design ensures direct mechanical compatibility with 700R4 and 200R4 transmissions commonly found in full-size trucks, SUVs, and performance vehicles from the 1980s through early 2000s. The 2200–2600 RPM stall specification enables the converter to hold engine RPM higher during acceleration before fluid coupling occurs, translating to stronger initial throttle response and reduced bogging when pulling loads or launching from a stop. Lockup functionality allows the converter to mechanically lock the turbine to the impeller at highway speeds, improving fuel economy and reducing heat buildup in the fluid—critical when towing or operating in sustained high-speed conditions.
This converter addresses buyers seeking improved transmission response and reliability in older GM vehicles without requiring gearbox replacement. The breakaway design—where the converter "breaks away" under load before full lockup engages—provides smooth engagement and reduced shock to drivetrain components during acceleration cycles. At 42.2 pounds, installation requires professional transmission service or expert DIY experience, as removal and installation involve dropping the transmission pan and draining fluid.
The 700R4 torque converter market includes several stall ranges; the 2200–2600 RPM band suits street driving and moderate performance builds. Verify 27-spline compatibility with your specific transmission variant before purchase, as some 700R4 applications use alternate spline counts. The TCI brand holds a long track record in transmission performance parts distribution.
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