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  • M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
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M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
Load image into Gallery viewer, M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum

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M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum

K2 Industries
K2-5944-UNV-006-TSARK
Tool Sets and Repair Kits
$110.00 $89.99
$89.99
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M12 x 1.25 Spline Style Extended Lug Nuts with Locks - Aluminum
Description
M12 x 1.25 Spline Style Extended Lug Nuts with Locks — Aluminum

Lightweight aluminum spline lug nuts with integrated locks for secure wheel retention. The extended design pairs with factory M12 x 1.25 threads, and the locking mechanism prevents accidental loosening during hard driving or transport. Built for durability and corrosion resistance.

✓ Ships from FL Warehouse ✓ Aluminum Construction ✓ Locking Design
Key Features
  • Spline Socket Geometry - Reduces cam-out risk and keeps sockets seated during high-torque applications.
  • Integrated Lock Mechanism - Prevents vibration-induced loosening on track or street use.
  • Extended Length - Works with factory wheel studs without adapter modification.
Specs
  • Material: Aluminum
  • Thread Size: M12 x 1.25
  • Style: Spline with integrated locks
Whats Included
  • M12 x 1.25 Spline lug nuts with locks
Frequently Asked Questions

Will these work with my factory wheel studs?

These are M12 x 1.25 threaded — they'll mate with factory studs of that size. The extended length is designed to work without modification, but verify your vehicle uses M12 x 1.25 threads before ordering.

Do I need a special socket to install these?

Spline style lugs require a matching spline socket — don't use a standard hex socket. Grab the correct spline tool before install to avoid stripping the nut.

How do the locks actually work?

The integrated locking feature resists vibration-induced rotation. Torque them to your vehicle's factory spec — the lock mechanism engages under normal fastening pressure and holds through normal driving conditions.

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