DP-Accessories closed end duplex extra long (XL) spline tuner style lug nuts are among the best in the industry. Our tuner style nuts are crafted with precision machined threads to ensure a perfect fit to your vehicle'...

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DP-Accessories closed end duplex extra long (XL) spline tuner style lug nuts are among the best in the industry. Our tuner style nuts are crafted with precision machined threads to ensure a perfect fit to your vehicle's wheel studs. Manufactured with cold forged and heat treated steel for dependable strength and durability. These lug nuts feature a proprietary cathodic black coating that gives the durability of high quality chrome and the sharp look of satin black paint. Our lengthy multi-point quality control process ensures that every nut we handle is created with the same love and care as the one before it.

For all your aftermarket wheel and wheel accessory needs, always come to DP-Accessories. To order additional spline installation tools, please see DP-Accessories part number D5110K.


Please note that these closed end duplex XL spline tuner style lug nuts are intended for installation on aftermarket wheels only. They will not fit on factory OEM wheels.



  • Specs: 9/16-18 Thread Size - Closed End Duplex XL Spline Tuner Style Lug Nuts - 51mm (2") Tall - 23mm (0.91") Wide -
  • Fits: Vehicles with 9/16-18 thread wheel studs and aftermarket wheels requiring a narrow conical 60 degree seat nut
  • Features: Solid Black Plating for Durability - Heat Treated Steel and Precision Machined Threads for Strength
  • Includes: Set of 32 Lug Nuts and 1 DST23-2122Z Installation Tool - 21mm (13/16") and 22mm (7/8") Dual Hex
  • Why DPAccessories: Built for Durability, Tested for Reliability, Engineered for Safety - Based in Kent, WA USA Since 2008
  • Specs: 9/16-18 Thread Size - Closed End Duplex XL Spline Tuner Style Lug Nuts - 51mm (2") Tall - 23mm (0.91") Wide -
  • Fits: Vehicles with 9/16-18 thread wheel studs and aftermarket wheels requiring a narrow conical 60 degree seat nut
  • Features: Solid Black Plating for Durability - Heat Treated Steel and Precision Machined Threads for Strength
  • Includes: Set of 32 Lug Nuts and 1 DST23-2122Z Installation Tool - 21mm (13/16") and 22mm (7/8") Dual Hex
  • Why DPAccessories: Built for Durability, Tested for Reliability, Engineered for Safety - Based in Kent, WA USA Since 2008

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