Concentric clutch slave cylinder

When I described my lack of clutch control precision with Andy from AB Racing he directed me immediately to a SBD part CLT-HCA-BUSA-01K. It is a custom billeted concentric slave cylinder for the Megabusa engine. The fitting of the part is fairly straight forward only having only to change the bleed pipe outlet from the water pump (as the rubber pipe was in the way). The pump housing bleed uniion was easily modified by cutting it off and tapping out the remaining steel tube stub to  a 7mm metric thread and making a brass union and installing a remote external 8mm brass elbow. The standard SBD fitting kit for the cylinder was perfect despite warnings from them that this part was designed to mount on top of their billeted oil pump.

Water pump modification



SBD part from top




Hewland part in same location

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