1Up Racing Premium Aluminum Locknuts M4 Flanged & Serrated



Upgrade your M4 flanged locknuts with 1up Racing Premium Aluminum, made from high-quality materials and featuring a high-gloss anodized finish. These serrated nuts provide an extra layer of protection and are up to 75% lighter than steel counterparts, making it easy to reduce weight on your car. Each package includes 4 pieces.