Triumph Unit 650 Tie Stud 7/16 inch CEI x 26 TPI x 8-7/8 inch 1963-1964 PN# 82-5259

Upgrade or restore your classic Triumph motorcycle with the Triumph 82-5259 Tie Stud, precisely engineered for 1963-1964 unit 650cc models such as the Bonneville and TR6. This high-quality replacement part is essential for maintaining the structural integrity and original performance of your vintage bike. Key Features OEM Part Number: 82-5259 (also referenced as F5259) Dimensions: 7/16″ CEI (Cycle Engineers Institute) thread x 26 TPI (threads per inch) x 8-7/8″ length Material & Finish: Manufactured in the UK, finished in bright zinc plate for superior corrosion resistance and durability Application: Designed specifically for engine mounting and tie stud applications on 1963-1964 Triumph 650cc unit twins, ensuring a perfect fit for original specifications Compatibility: Fits Triumph Bonneville 650 and other 650cc models from the same era—please consult your parts manual for exact fitment Why Choose This Stud? Authentic Restoration: Faithful to original Triumph specifications, making it ideal for concours-level restorations or reliable daily riding Precision Engineering: CEI thread ensures compatibility with original hardware and maintains the classic Triumph assembly standards Trusted Quality: Produced by reputable UK manufacturer LF Harris, known for high-quality classic motorcycle parts Typical Uses This tie stud is used in the engine mounting assembly, helping secure the engine to the frame and maintain proper alignment, which is critical for safe and smooth operation of your classic Triumph. Feature Specification OEM Part Number 82-5259 / F5259 Thread Size 7/16″ CEI x 26 TPI Length 8-7/8″ (approx. 8 13/16″) Finish Bright Zinc Plate Fitment 1963-1964 Triumph 650cc Unit Twins Restore your Triumph to its former glory with this genuine-spec tie stud—engineered for reliability, authenticity, and longevity The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.