Triumph valve guide reamer .3115"Using premium hardened High Speed Steel, Kibblewhite specifically designed this valve guide reamer to size manganese bronze (C67410 bronze) and cast iron valve guides. These spiral fluted reamers have a one inch pilot to center the reamer, and has a cutting tolerance of 0. 0002". This is a perfect tool to correctly size Triumph guides for Kibblewhite valves, as the exhaust valve stems are . 0005" smaller than the intakes, and correct clearance for

it is a good idea to replace the crankshaft oil seal with a fresh

both Pre Unit and Unit

with materials from the and have been produced with the highest quality materials and technology currently available

engine Timing side Drive side 500 to 1954 70-1592 70-1591 650 to 1954 70-1592 70-1591 500 1955-57 70-1591 70-1591 650 1955-62 70-1591 70-1591 650 1963-65 70-1591 70-1591 650 1966-71 70-1591 70-2879 650 1972-73 70-3835 (metric) 70-2879 750 1973-76 70-3835 (metric) 70-2879 750 1977-80 70-3835 (metric) 70-2879 C2

This valve kit is for the 500cc Unit construction that uses a "non squish band" head

Overall Length "A" 11

For SAE 30 "Break-In Oil" click here

These high quality tools were made in Japan

(70-3835 also same as 60-4167)

Ltd who are also the current manufacturers of many OEM pistons worldwide

These precision made forged aluminum throttle slides with a high quality hard anodized surface finish that offer superb resistance to wear and smoother throttle operation

Replaces Triumph part # 21-1906 Made in England