and Performance Parts and Accessories
223308 - B & M GM TH200/TH350/700R4/4L60/200R4 Torque Converter Lock Up Control - Mechanical Speedometer
This unit provides control over torque converter lockup through vehicle speed on GM transmissions with a lockup converter.
Eliminates converter lock and unlock cycling and premature unwanted converter lockup avoiding engine lugging and spark knock. Provides lockup at highway speeds for fuel economy. Can be used for converter lockup operation when converting a non-lockup equipped vehicle to a lock up style transmission and converter.
Provides dash mounted control to govern converter lockup at any speed between 30 and 90 …
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