Advert for X4 Fits the 5mm diameter pipe of the back of the cylinder head . (Not the larger 7 or 9mm larger ones often found on the carbs, just message me if you need these) (Inner diameter of cap is 4mm) Very good snug fit 100percent air tight. Won’t fall off! (2nd photo) 20mm long to allow easy removal Very light (under .5gram as opposed to 2gram for the standard) Condition: brand new i have photo,d in hi res so please zoom in Postage is for mainland UK, if located elsewhere just ask I will only charge the difference. If Ebay shipping is used I will post ASAP to them, the cost and shipping times from them to you is controlled by eBay. Thanks
