Brand-new! UK Made Triumph Pre-Unit Primary Cover Inspection Filler Plug Screw. Features the correct script! "Use Lightoil" & "SAE .20 Grade". Very nice quality! Fits most Triumph 500 & 650 Pre-Unit models. Plug diameter measures 1 1/2" with a thread pitch of 16. Please refer to your parts catalog for proper fitment.
•Made in the UK
•O.E.M Part number is 99-3544 or NT367