Fasteners› Wheel and Tire Fastener Kits

Mr. Lugnut

KEYS SPLINE ADAPTER KEYS PASSENGER

$20.96

SKU: M024 TK640

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mr. Lugnut Spline Adapter Keys - Passenger (TK640) are designed to work with Mr. Lugnut 6-spline tuner lugnuts to provide added security for your wheels. These deep well spline keys help prevent unauthorized removal of your wheels, ensuring your investment stays protected. The adapter keys are built for long-lasting performance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMr. Lugnut
Part NumberM024 TK640

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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