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  • M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
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M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
Load image into Gallery viewer, M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum

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M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum

K2 Industries
K2-5943-UNV-006-TSARK
Tool Sets and Repair Kits
$110.00 $89.99
$89.99
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M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set - Aluminum
Description
M12 x 1.25 Extended Spline Lug Nuts w/ Locks 20pc Set — Aluminum

Twenty-piece set of aluminum lug nuts with integrated locks, sized M12 x 1.25 with extended spline design. Extended spline profile grips deeper into your wheel hub for a more secure hold. Built light without sacrificing durability—aluminum construction keeps rotational mass down while locking hardware prevents accidental loosening on the road.

✓ Ships from FL Warehouse ✓ In-House Quality Check ✓ Aluminum Construction
Key Features
  • Extended spline geometry – Deeper engagement reduces wobble and improves clamping consistency.
  • Integrated locking mechanism – Helps prevent vibration-induced loosening during hard driving.
  • Aluminum body – Lighter than steel without compromising thread strength.
Specs
  • Material: Aluminum
  • Size: M12 x 1.25
  • Thread Type: Extended Spline
  • Quantity: 20 pieces
Whats Included
  • 20x M12 x 1.25 Lug Nuts with integrated locks
Frequently Asked Questions

Will these work with my current wheels, or do I need spline adapters?

These are direct-fit M12 x 1.25 spline lug nuts—if your wheels already have spline sockets, they'll thread straight in. If your wheels have conical or ball seats instead, you'll need the matching seat style, not these.

How tight should I torque these?

Refer to your vehicle's service manual for the correct torque spec—it varies by platform. The integrated lock helps keep them secure once properly seated, but initial torque value matters.

Are these sealed or treated against corrosion?

Aluminum construction is naturally corrosion-resistant, but finish type and any protective coating aren't confirmed—inspect them on arrival and store in a dry environment if not installing immediately.

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