*Now In-Stock!* New BSA Pre-Unit Singles & Twins Primary Chaincase Inspection Alloy Cap. If your Missing your Inspection Cap and you need a Replacement to get back on the Road, then this is for you! Comes with a Nice Polished Finish but with some "Extra Buffing" on your part you can have a Mirror Finish! Thread Diameter is approx 1 1/2". Fits many A, B, C & M Group BSA Pre-Unit Twins & Singles (C10, C11, C15, B40, A7, A10, B31, B32, B33, Etc) from the 1940's through the Early 1960's! Please refer to your parts catalog for proper fitment.
*****Please Check your parts book to ensure that this Part is Correct for your application!*****
We also stock the Oil Tank Screw Plug for BSA Pre-Units! Search 65-8560
•Made in Taiwan
•O.E.M Part number is 65-3364