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  • Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
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Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Load image into Gallery viewer, Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Load image into Gallery viewer, Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Load image into Gallery viewer, Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Load image into Gallery viewer, Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Load image into Gallery viewer, Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Load image into Gallery viewer, Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks

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Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks

K2 Industries
K2-5939-UNV-006-TSARK
Tool Sets and Repair Kits
$110.00 $89.99
$89.99
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Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks
Description
Spline Extended Aluminum Lug Nuts M12x1.25 50mm Light Blue 20pc w/ Locks

Twenty spline-drive aluminum lug nuts in 50mm length with matching lock nuts for security. Lightweight construction cuts unsprung weight at each corner. The extended design clears larger wheel offsets and custom fitments without spacer compromises.

✓ Ships from FL Warehouse ✓ Spline Drive Design ✓ 20-Piece Set with Locks
Key Features
  • Spline-drive engagement - Reduces stripping risk compared to standard hex socket heads.
  • 50mm extended length - Clears deep-dish wheels and extended offset configurations.
  • Aluminum construction - Cuts weight without sacrificing thread integrity.
Specs
  • Thread: M12x1.25
  • Length: 50mm
  • Material: Aluminum
  • Color: Light Blue
  • Quantity: 20 lug nuts with lock nuts
  • Drive Type: Spline
What's Included
  • 20 spline-drive aluminum lug nuts (M12x1.25, 50mm)
  • 20 matching lock nuts
Frequently Asked Questions

Will these work with my existing socket wrench set?

Standard hex sockets won't fit — these use spline drive, so you'll need a matching spline socket. Most common automotive tool sets don't include them, so verify before ordering.

Do the lock nuts screw onto the regular lug nuts?

Yes. Install the spline nut first, then thread the lock nut on top to prevent vibration and loosening. Tighten both according to your vehicle's service manual torque spec.

Are these designed for track use or daily driving?

Aluminum lug nuts work for both. They're lighter for road and track, but aluminum can strip if over-torqued — stick to OEM torque specs and re-check periodically on high-vibration builds.

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