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  • Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
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Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Load image into Gallery viewer, Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Load image into Gallery viewer, Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Load image into Gallery viewer, Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Load image into Gallery viewer, Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Load image into Gallery viewer, Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Load image into Gallery viewer, Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks

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Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks

K2 Industries
K2-5931-UNV-006-TSARK
Tool Sets and Repair Kits
$110.00 $89.99
$89.99
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Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks
Description
Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks

Twenty purple aluminum lug nuts with integrated locks, sized M12x1.5 at 50mm extended length. Built from aluminum for weight savings over steel, these feature a conical seating design that works with most aftermarket wheels. The matching lock nuts prevent theft and vibration loosening.

✓ Ships from FL Warehouse ✓ Aluminum Construction ✓ 20pc with Locks
Key Features
  • Extended 50mm Length - Works with most aftermarket wheel designs and deep-dish fitments without adapter cones.
  • Integrated Lock Nuts - Matched locking nuts included to prevent wheel theft and vibration loosening on the road.
  • Aluminum Build - Lighter than factory steel, reduces unsprung weight without sacrificing clamping force.
Specs
  • Material: Aluminum
  • Thread Size: M12x1.5
  • Extended Length: 50mm
  • Finish: Purple anodized
  • Quantity: 20 pieces total (includes lock nuts)
  • Seating Style: Conical
What's Included
  • 20 aluminum lug nuts (purple anodized)
  • Lock nuts (matched set)
Frequently Asked Questions

Will these fit my wheels without needing adapters or cones?

The 50mm extended length and conical seat design work with most modern aftermarket wheels. Test-fit one nut on your wheel before committing the full set—some deep-dish or barrel designs may need a seat ring, depending on your specific wheel.

How do the lock nuts work?

Each lock nut has an internal nylon insert that grips the stud threads and resists loosening from road vibration. They also deter theft since they're matched to your key. Replace them if they spin freely—the insert wears out over time.

Do I need to torque these to a specific value?

Refer to your vehicle's service manual for the correct torque spec—usually 80–120 ft-lbs for M12x1.5, but it varies by platform. Use a calibrated torque wrench and tighten in a star pattern to ensure even clamping.

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