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.
