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NHTSA recall, , Do not drive

Sleepy Customs IS300 Slave Cylinder Conversion Kits

The IS300 Slave Cylinder Conversion Kits can separate from the transmission, causing loss of clutch function and gear shifting, increasing crash risk.

Summary by Recall Canary from the NHTSA notice

What happened

Sleepy Customs LLC is recalling certain IS300 Slave Cylinder Conversion Kits, including both full kits and adapter plate only versions. The adapter plate may separate from the transmission housing during vehicle operation, resulting in loss of the clutch function and ability to shift gears. An inability to shift gears reduces the driver's ability to control vehicle speed, increasing the risk of a crash. The recall was reported to NHTSA on April 3, 2026, and affects 121 units nationwide.

Sleepy Customs LLC will provide a replacement adapter plate, free of charge.

More do not drive recalls

What to do

If yours is included:

  1. You are advised not to drive their vehicle that is equipped with the conversion kit until the remedy is performed. Free of charge.
  2. Sleepy Customs LLC will provide a replacement adapter plate, free of charge. You may contact Sleepy Customs, LLC customer service at 360-504-6213 (sales@sleepycustoms.com).

What you get Free repair

Full text from NHTSA

Owners are advised not to drive their vehicle that is equipped with the conversion kit until the remedy is performed. Sleepy Customs LLC will provide a replacement adapter plate, free of charge. Owners may contact Sleepy Customs, LLC customer service at 360-504-6213 (sales@sleepycustoms.com).

Is yours affected?

Compare these details with yours, then check the recall notice to see which units are recalled.

  1. Do Not Drive: Gear Shift Failure, Power Train

Recall details

Reported to NHTSA
Sold in
Nationwide
Manufacturer
Sleepy Customs LLC
Component
Do not drive
Risk

Do not drive

NHTSA says not to drive it until it is repaired.

NHTSA warning · How risk is rated

Campaign
26E018000
Units affected
121
Repair cost
Free of charge
Manufacturer phone
360-504-6213

Timeline

  1. Reported to NHTSA

  2. Listed on Recall Canary

  3. Summary updated

Other do not drive recalls

See all: Other do not drive recalls

Summary by Recall Canary, written with AI · summary updated Oct 3, 2026 · primary source: U.S. National Highway Traffic Safety Administration (opens in a new tab)