2001-2016 Duramax AlliLocker Allison Torque Converter Controller (FPE-ALILKR)

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Control your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLockeris 100 percent code free and allows you to bypass th e 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