Valve Seat Boring Machine Model: BV60S uses a compact design and offers a competitive price with its feature and accuracy. It can easily process six-cylinder heads and light truck heads on vehicles, however, it works best for processing cylinder head of motorcycles and middle size, small size yachts. Nowadays, new snow mobiles with continuous tracks on four-stroke engines, Private jet boats and all-terrain cars all use small valves. BV60S can process the valve seats accurately. You can have good surface finish with no chatter mark and perfect concentricity with BV60S.