Need an extra layer of protection to ensure your M4 flanged locknuts won't come loose?  We've got you covered with 1up Racing Premium Aluminum M4 Flanged & Serrated Locknuts!

1up Racing Premium Aluminum Hardware is made from high-quality materials to ensure dependability, then finished with high-gloss anodizing for an outstanding appearance!  These come in at well under half the weight of their steel counterparts making it easy to shave unwanted weight.  Upgrade to 1up Racing Premium Aluminum Hardware on all of your cars today!

• Includes 4pcs
• M4 x .7mm Threads
• Serrated for Extra Security
• 6061 Aluminum
• High Gloss Anodized Finish
• 7mm Hex
• 9.4mm OD Flange
• Made in Taiwan