Kibblewhite 6mm 650/750 conversion individual valvesThese Black Diamond valves are specially made for the 6mm Triumph conversion. Each valve is priced individually for use with the 6mm guides and kit. Stem size . 2355" Available in standard and oversizes. Made in California, USA. priced each

57-0946 OIL SEAL 4 SPEED SPROCKET x1

Triumph 500 Pre Unit 1946-1959 TOP END GASKET KIT includes:

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Triumph part number 60-6011

ARP is legendary for manufacturing some of the World's strongest fasteners for all forms of racing

Triumph part number E3903 or 70-3903

and if they did some would not know how to spot a defective ring or piston anyway

312" exhaust

and TR5T models

The exhaust pushrods replace Norton part number 06-7941

2 exhaust valves

These 750 unit rocker box gaskets replace Triumph part # 71-2599 or E12599