Upgrade or restore your classic Triumph motorcycle with this high-quality engine/crankcase stud, manufactured to original specifications for a precise fit and reliable performance. Key Features Diameter: 5/16 inch Thread Pitch: 26 Threads Per Inch (TPI), British Standard Cycle (BSC/CEI) Length: 4 3/4 inches (standard reference; some catalogs may list as 4 7/8″) Part Number: 70-5963 (also cross-referenced as E5963) Material: Durable steel, with stainless steel options available from select suppliers Applications Designed for use in classic Triumph 650cc engines, including Bonneville, Tiger, and Trophy models from the mid-1960s through 1970 Commonly used to secure crankcase halves and as a mounting point for exhaust pipe stays on models with downswept exhaust headers Fits various engine and frame mounting positions—always confirm with your model’s parts manual Benefits Manufactured to original Triumph factory specifications for authenticity and reliability Ideal for restoration projects and routine maintenance Ensures secure engine assembly and proper alignment Typical Specifications: Diameter 5/16″ Thread Pitch 26 TPI (BSC/CEI) Length 4 3/4″ (sometimes 4 7/8″) Part Number 70-5963 / E5963 Application Crankcase/exhaust mounting (varies) Also listed as E5963 in some catalogs Compatible with a range of classic Triumph motorcycles—check your parts guide for details 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.
