New BSA A50 / A65 rear crankcase stud. This stud is manufactured in England to replace BSA part number 68-0014. Measures 5/16" x 22 x 26 x 3 1/2". Fits various BSA A50 / A65 models (Lightning, Royal Star, Hornet, Thunderbolt, etc). Check your parts book to ensure the best fitment.