Project Kics WRL5313K Leggdura Racing Shell Type Lug Nuts - 53mm M12x1.25 Black

The Project Kics Leggdura Racing Shell Type Lug Nuts feature an innovative two-piece design that combines the strength of chromoly steel with the aesthetic appeal of lightweight aluminum. These precision-engineered lug nuts are manufactured in Japan and designed for both street and track performance on aftermarket wheels.

Construction and Materials:

• Core lug nut constructed from SCM435 chromoly steel for maximum strength and durability
• Anodized A7075-T6 duralumin aluminum shell in black finish
• Open-end appearance design while maintaining a closed-end structure to prevent rust and contamination
• Weighs only 22 grams per lug nut, providing 50% weight savings compared to stock lug nuts

Specifications and Features:

• Thread size: M12x1.25
• Total length: 53mm with 28.5mm threading depth
• 17mm hex core nut with 19mm hex aluminum shell
• Tapered seat design for aftermarket wheels
• Recommended torque: 81-88 lb-ft (110-120 Nm)

What's Included:

• 16 lug nuts and 4 locking lug nuts (20-piece set)
• Steel lock key for security
• 17mm and 21mm hex key adapters
• Special ABS resin socket to prevent scratching the aluminum shell during installation

The Leggdura Racing series delivers significant unsprung weight reduction to improve braking, cornering, and acceleration performance while maintaining the structural integrity required for high-performance driving. The anodized aluminum shell threads onto the steel core, providing vibrant color and style without compromising strength.