For all pre A plus 1275 engines with a floating bush fitting to suit stepped crankshaft. Uses a floating bush with a circlip to hold it in place. This primary gear is suitable to use along with Standard pre a+ drop gears. This is also a part of our new drop gear range for PRE A plus 1275cc. This can be used with our newC-22G943idler and roller bearing kit for gearboxes with idler gear case wear, or for fast road use. End float clearances ie .0035 to .0065
