RAYS Engineering Official Japan Duralumin Lock & Nut Set - L42 Straight M12 x P1.25 - 20 PCS

Ultra-Lightweight Racing Engineering Meets Elite Wheel Security. A Genuine Forged A7075 Duralumin Straight Lug Nut Kit Crafted by RAYS Japan to Reduce Unsprung Mass While Securing Your Premium JDM Wheels. Elevate your sports car’s track performance and aesthetic presentation with the genuine Original Japan Rays Duralumin Lock & Nut Set L42 Straight M12 x P1.25 - Blue. Forged aftermarket wheels from lines like Volk Racing deserve hardware engineered to the same high standards. Instead of heavy steel or generic alternatives, this official RAYS setup is machined out of premium A7075-T6 Duralumin (an advanced aircraft-grade alloy). This specialized material matches the tensile strength of steel while stripping away significant weight, actively minimizing rotational unsprung mass at each wheel corner for sharper steering response and braking. This kit features a striking anodized Blue finish that provides an eye-catching contrast against dark or polished wheel faces. The "L42 Straight" specification designates a generous 42mm total length layout, making it exceptionally easy to access inside deep-set tuner wheel wells without risking tool scratches. The kit contains 20 pieces in total, providing a high-security blend of 16 standard duralumin nuts and 4 specialized anti-theft lock nuts featuring a unique pattern. It comes fully equipped with a dedicated matching socket key to prevent tampering. Each nut is prominently laser-etched with the iconic white RAYS branding to verify authentic Japanese engineering.