these frames are designed for using bearing cups that would normally fit a big twin frame and would use 1 inch bearings

) This set of 20 clutch bearings will take care of both issues

chrome universal sliding mounting bracket and 3-piece reducer bushings

manufacturing quality

Big Twin Fabricator Shifter Plate - Stainless Steel Finish_Matte these frames are designed forThis Big Twin Fabricator Shifter Plate is laser cut to fit a ratchet top hole pattern perfectly, and made from 304 stainless steel. It features a chamfered holes for flush mount screws, and allows you to fabricate any kind of jockey shift or custom shift linkage for your Big Twin. Made in the USA.