Fleece Performance 01-13 GM Duramax 6.6L AlliLocker - Allison Torque Converter Controller

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Fleece Performance Model FPE-ALILKRControl your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLockeris 100 percent co de free and allows you to bypass the TCM to lock/unlock the torque converter on demand. Turn the bypass switch off, and the TCM regains control of the torque converter clutch. Warning: This product is intended for closed course race use only. Do NOT use on public roadways. Warning: Always disengage the bypass switch and unlatch the lock switch when not in use. Show more