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Sleepy Customs LLC: Power Train:Clutch Assembly:Slave Cylinder (9999 SLEEPY CUSTOMS IS300 SLAVE CYLINDER CONVERSION KIT)

Vehicles & EquipmentSource: NHTSA · Date: 2026-04-02

Read the official notice at NHTSA →

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The text below is copied from the official NHTSA record. If anything differs, the official notice is correct.

Company / brand
Sleepy Customs LLC
Product
9999 SLEEPY CUSTOMS IS300 SLAVE CYLINDER CONVERSION KIT
Reason / hazard
An inability to shift gears reduces the driver's ability to control vehicle speed, increasing the risk of a crash.
What to do (remedy)
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).
Distribution / sold at
Potentially affected: 121
Defect
Sleepy Customs LLC is recalling certain IS300 Slave Cylinder Conversion Kits, 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.
Component
POWER TRAIN:CLUTCH ASSEMBLY:SLAVE CYLINDER
Do not drive
true
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