Triumph 650 Unit Complete Cylinder Head Bolt and Washer Kit 1963–1970 PN# TBS-0054 A

Restore your classic Triumph 650 to peak performance with this comprehensive Headbolt & Washer Kit, engineered specifically for 1963–1970 unit-construction models, including the iconic T120 Bonneville and TR6. This 9-bolt cylinder head fastener set includes all the correct bolts and washers needed for an authentic, secure, and reliable cylinder head installation.

Key Features

• Complete 9-Bolt Kit: Contains all inner, outer, and center head bolts plus matching washers for a proper cylinder head assembly.
  
• Model-Specific Fit: Designed for Triumph 650 unit twins from 1963–1970, ensuring compatibility with T120, TR6, and similar models.
  
• Authentic Hardware: Manufactured to original Triumph specifications for correct fit, strength, and appearance.
  
• Durable Materials: Made from high-quality steel for lasting reliability and resistance to corrosion. Applications
  
• Fits: Triumph 650 unit twins (T120 Bonneville, TR6, and related models) from 1963 to 1970
  
• Purpose: Secures the cylinder head to the engine block, maintaining proper torque and sealing for optimal engine performance
  

Consists of the following:

• 4 x 70-1596 E1596 3/8″ inner head bolt for torque stay
  
• 4 x 70-0327 E327 3/8″ outer head bolts with domed head
  
• 1 x 70-4771 E4771 5/16″ center head bolt
• 8 x 82-2184 Washer 3/8″
• 1 x S25-3 Washer 5/16″

Benefits:

• Restoration Quality: Ensures period-correct appearance and function for show-quality restorations.
  
• Convenience: All necessary fasteners in one kit, eliminating the hassle of sourcing individual pieces.
  
• Reliability: New hardware helps prevent leaks and maintains correct cylinder head torque, supporting long-term engine health.
  

Why Choose This Kit?

• Perfect for engine rebuilds, top-end work, or routine maintenance on your classic Triumph 650.
  
• Meets or exceeds original factory standards for peace of mind and authenticity.
  

Note: Always refer to your service manual for correct installation procedures and torque specifications. This kit is a must-have for any Triumph 650 enthusiast seeking hassle-free, dependable engine assembly.