Bearing - Timing Side Ball Race - KSS, KTS, MAC, MOV & Alloy Head 1951 on MAC - UK Made by HB Precision - SEE Also K87/2 for RHP UK Made Roller Type - These are Metric Bearings with a 50mm OD and a 21.86mm bore (this is as close as we can measure without a Bore Gauge)
NOT AVAILABLE SEE K87/2