Our Rottler boring machine can rebore just about any block or cylinder you can think of, v6 to v8 to single cylinders, bore sizes ranging from as small as 1.500in to 6.000i, resleeving to cutting o ring grooves for o ringing deck to accept stainless wire from 0.38 to 0.48 wire, angled deck, etc. The best part about this machine is it bores the cylinders 90 degrees to crankshaft center line not off the deck surface for a perfect 90 degree V or 60 degree V.