Triumph 650 Crankcase CEI Stud 5/16-26 x 5 1/16-Inch PN# 70-4856

Restore your classic Triumph motorcycle with the Triumph Stud 5/16-26 x 5 1/16″ (PN# 70-4856)—a genuine OEM fastener designed for precision and durability. This high-quality crankcase stud is engineered to original Triumph specifications, ensuring a perfect fit for your vintage restoration or maintenance project. Key Features OEM Part Number: 70-4856 (also referenced as E4856) Dimensions: 5/16″ diameter, 26 threads per inch (CEI), 5 1/16″ (131mm) overall length Thread Type: CEI (Cycle Engineers Institute) standard, threaded on both ends Material: Available in steel or stainless steel for enhanced corrosion resistance Authentic Fit: Manufactured to factory specifications for classic Triumph 650cc unit models (6T, T120, TR6, and others from 1963–1970) Function: Serves as a front crankcase stud, essential for joining crankcase halves and providing mounting points for exhaust pipe stays on certain models Origin: Made in England Applications Designed for Triumph 650cc unit models, including T120 Bonneville, TR6, and 6T produced between 1963 and 1970 Used to secure the crankcase halves at the outer perimeter and rear castings above the primary chaincase Critical for engine assembly, restoration, or replacement of worn hardware Upgrade your restoration project with the Triumph 70-4856 stud—the trusted choice for enthusiasts seeking quality, reliability, and authenticity in classic British motorcycles. 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.