SKU: 55214836530

AlliLocker

Sale price$97.65 Regular price$108.50
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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

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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:
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  • 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: 55214836530

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4.6 ★★★★★
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Ron Lupien
Los Angeles, US
★★★★★ 1
Very uncomfortable
Worst pillow ever. Not comfortable or fluffy at all. Wouldn't even recommend it to my dog as his bed
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Reviewed in the United States on April 22, 2026
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DOROTHY
Cuba, US
★★★★★ 5
A great, comfortable pillow!
I bought a couple for myself recently and now I am buying two for my daughter, but having them shipped by Amazon. She’s having surgery soon and I want her to have a very nice pillow at home while recuperating.
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Reviewed in the United States on January 10, 2024
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Amazon Customer
Battle Creek, US
★★★★★ 1
Not for me
If you like super soft pillows that you spend 30 something bucks on and feels like your head goes straight to the mattress this is the one for you. They can are soft enough to ball up like the old flattened pillows they're meant to replace. They don't feel comfortable to me.
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Reviewed in the United States on December 3, 2023
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malissa
Pawtucket, US
★★★★★ 1
Save your Money!.
Save your Money!.
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Reviewed in the United States on February 16, 2024
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Daliana guerra
Bozeman, US
★★★★★ 5
Wonderful
Size: Cooling Queen, Size: Cooling Queen
I absolutely love these pillows From the very first night, I could feel the difference. They are incredibly comfortable, soft, and still provide great support for my neck and head. Plus, the modern design makes my bed look so much cleaner and more elegant. The fabric feels high quality, and the pillows keep their shape really well. I genuinely feel like I’m sleeping better since I started using them. Great value for the price, and I would definitely buy them again. Highly recommend
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Reviewed in the United States on May 27, 2026

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