BSA A50 / A65 Primary Chain Tensioner Blade (1) - 70-8310 - 1962-72 Wasp System can either be used

System can either be used for racing or for normal riding purposes

Stud has a 1/4" diameter and measures 1 13/16" long

Trophy & Tiger) from 1971-1972 equipped with the 5 speed transmission

Both shoe sets will replace Triumph part numbers 37-2327

Please use the drop down menu to select which points lead you desire - all leads are sold each as pictured

BSA A50 / A65 Primary Chain Tensioner Blade (1) - 70-8310 - 1962-72 Wasp System can either be usedNew English Made BSA Unit Twins Primary Chain Adjuster Tensioner Blade. For a very long time this part was considered "Hard To Hard"! Well, not anymore! Get Em' while you can, stock is limited! Quality is just as good as O. E. M.! Fits all BSA A50 & A65 Unit Twins (Star Twin, Thunderbolt, Rocket, Lightning, Hornet, Wasp, Cyclone, Spitfire & Firebird) from 1962 1972. Please refer to your parts catalog for proper fitment. *****Please note that this part