Colony 7816-1 Acorn Engine Sprocket Nut | Harley Big Twin 1955–1976

Upgrade the look and function of your vintage Harley with the Colony Acorn Engine Sprocket Nut #7816-1. Designed for 1955–1976 Harley-Davidson Big Twin models, this acorn-style nut is both decorative and fully functional, making it the perfect finishing touch for open primary belt drive setups.

Precision-machined in the USA, this sprocket nut offers strong, reliable thread engagement while adding a clean, custom appearance to your motor sprocket area. Whether you're restoring a Panhead or Shovelhead or building a custom open belt drive, this nut provides the durability and visual appeal riders expect from Colony.

Why Riders Choose This Nut

• ✔ Direct fit for 1955–1976 Harley-Davidson Big Twins

• ✔ Ideal for open primary belt drive applications

• ✔ Decorative acorn-style design enhances custom builds

• ✔ High-strength construction for reliable sprocket retention

• ✔ Made in the USA with trusted Colony quality

Perfect For

Panhead and Shovelhead riders who want a blend of style and strength in their engine sprocket hardware.