Cylinder. Stud kit high tensile CONVERSION M6 to M7 long series 2 x 200mm 2 x 195mm
This is out upgrade for more tuned engines running higher compression that have had issues with studs breaking.
Reduced M6 in crank, side 7mm the rest
2 x 200mm M6 x 1 pitch case end & M7 x 1 pitch nut end
2 x 195mm M6 x 1 pitch case end & M7 x 1 pitch nut end