Triumph 500, 650 & 750 Unit Twins Tappet Guide Block O-Ring. These are not just “Ordinary” O-Rings… they are Viton O-Rings which are Correct for Tappet Guide Blocks. Fits Triumph 500, 650, & 750 Unit Twins (Bonneville, T120R, T100R, T140, Etc) from the 1960’s through the 1980’s! Please refer to your parts catalog for proper fitment.

Please note that o-rings are sold each as pictured

Made in England
O.E.M Part number is 70-8782, 70-7563, E8782 or E7563