BC4912N - New Can-Am Crankcase w/Darton Dry Sleeves, O-Ring, Specify Bore

NEW BC SUPPLIED CRANKCASE - The Can-Am/Rotax 900 ACE with Darton dry sleeve install. Choose from 74 or 75mm bore sizes, includes copper O-Rings to contain combustion and ARP2000 main studs. Upper case half is also linebored to lower girdle half to true up case castings for optimum oiling. Features include: Darton sleeve install with step deck. CNC finish hone to desired bore size. Copper O-Ring case to contain combustion. ARP2000 9mm main studs installed and torqued....