Brand New 52.4mm 15mm Pin GY6 125cc Engine Rebuild Kit Scooter Quad Bike ATV Buggy DIAMETER OF BORE approx 52.22mm DISTANCE BETWEEN HEAD BOLTS (CENTRE HOLE TO CENTRE HOLE) CLOCKWISE EACH TWO BOLTS approx 53.42mm / 53.65mm / 53.14mm / 53.30mm HEIGHT OF THE BARREL (NOT INCLUDE THE SLEEVE) approx 68.80mm HEIGHT OF THE SLEEVE approx 21.56mm DIAMETER OF PISTON (Bottom) approx 52.38mm HEIGHT OF PISTON (Bottom to Top Middle) approx 37.05mm LENGTH OF PISTON PIN approx 41.26mm DIAMETER OF PISTON PIN approx 14.98mm Tag : PIT Bike, Dirt Bike, Quad Bike, ATV, Dune Buggy, UTV, Gokart, 4 Wheeler. Motorcross Bike, Mx Bike
