SKU: 29251854834

AlliLocker

Sale price$97.65 Regular price$108.50
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

AlliLockerFits 2001 2015 Allison Equipped GM Trucks Control your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLocker is 100% code free* when used on the track 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. *The AlliLocker is NOT desinged to be used on public roadways. If used on

Fits 2001-2015 Allison Equipped GM Trucks

Control your torque converter from the palm of your hand with the AlliLocker™ from Fleece Performance Engineering.

The AlliLocker™ is 100% code free* when used on the track 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.

*The AlliLocker is NOT desinged to be used on public roadways. If used on public roadways, the AlliLocker may set a DTC causing a range shift inhibit. This can typically be cleared by a key cycle. When used on the sled pull or drag race track, where there is only one lock event, the AlliLocker will not cause a range shift inhibit.

Operation

 

State

Function

 

Bypass Switch

   LED OFF (disengaged)

   TCC Operation Controlled by the TCM

   LED ON (engaged)

   TCC Operation Controlled by the Lock Switch

 

Lock Switch

   Latched (Down)

   When Bypass LED is illuminated, TCC is commanded to lock

   Unlatched (Up)

   When Bypass LED is illuminated, TCC is commanded to NOT lock

 

Operation explained in plain English:

The Allilocker™ operation is simple. Leave it in normal mode until you want control of the torque converter clutch (TCC). When you engage bypass mode (left rocker switch) the TCC is completely controlled by the pushbutton on the right (it is a latching pushbutton). If you press it down it locks the TCC and stays locked until you push it again which raises the switch back to the open/unlocked position. 

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 29251854834

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Reviewed in the United States on May 12, 2026
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Reviewed in the United States on December 9, 2025
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Reviewed in the United States on August 29, 2025
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Marie33kl
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They prevent leaks, and fit great!
We have always used Huggies diapers for our babies and young toddlers because they were the only ones that never leaked or caused a rash. My second daughter was fully potty trained at 2.5 years old and never needed pull-ups. However, our third daughter, who also trained at 2.5 years old, digressed with her nighttime potty training due to instability - we moved twice within the first 6 weeks after she potty trained. So we had to get pull-ups for her to wear at night. Obviously since we loved Huggies diapers, we tried Huggies Pull-Ups, and again, they did not disappoint! They never leak, even on nights when she doesn't get up to go at all, and has lots of pee, and they have never caused a rash either, no matter how full. She's been using them for 1.5 years, at night, and we have never had any issues. They are dependable: decently comfortable to the child, do not cause rashes, fit properly with the ability to adjust at the thigh (if needed), and they prevent leaks! I highly recommend them!
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