Triumph-to-Harley Head Stem Bearing Conversion Kit clamps Threads in read leg are

Threads in read leg are 3/8" UNC

Allows the use of a wide variety of genuine and aftermarket Big Twin springer & telescopic forks with 1 Inch headstems to be used on Sportsters from 1952 to 1982

(Other brands use a smaller diameter front spring fork)

Harley Davidson replica Springer front end

Suits 19" to 21" narrow front wheels

Triumph-to-Harley Head Stem Bearing Conversion Kit clamps Threads in read leg areThese bearings allow you to run a Meat Balls Early Style Springer or Custom Style Springer on your Triumph. The kit fits all 650 Triumphs from 1956 1970 and Triumph 500 models 1967 and up. Kit includes two races and two Timken bearings.