Triumph 350 500 3TA 5TA T90 T100 Cylinder Base Stud(s) 1959-68 PN# 70-3820 E3820

Restore your classic Triumph with confidence using this high-quality Cylinder Base Stud, designed specifically for unit construction 350cc and 500cc models produced from 1959 to 1968.

Key Features: 

• Compatibility: Fits Triumph 3TA, 5TA, T90, and T100 models from 1959–68.
  
• OEM Part Numbers: 70-3820, E3820.
  
• Dimensions: Length: 1 1/2″ (38mm). Thread: 3/8″ x 26 TPI BSF (British Standard Fine) / 20 TPI CEI (Cycle Engineers Institute).
  
• Material: Manufactured to original specifications for a precise fit and reliable performance.
  
• Application: Six required per engine. Essential for securing the cylinder barrel to the crankcase, ensuring proper engine assembly and sealing.
  
• Condition: New, ready to install.
  

Why choose this part?

This stud is ideal for restorations or routine maintenance, offering the correct fit and finish for your vintage Triumph. Whether you’re rebuilding a 3TA, 5TA, T90, or T100, this is the direct replacement you need to keep your engine running strong.

Note: Sold individually and multiples. For a complete engine, six studs are required.

Bring your classic Triumph back to life with authentic, quality hardware.