1999 99 Polaris Sport 400 L 2x4 PORTED Cylinder Head Cap Jug 83.8mm Bore. This product data sheet is originally written in English. This part looks to be in good condition, CYLINDER LOOKS TO ME LIKE ITS BEEN RESLEEVED AND POSSIBLY BORED? PLEASE TAKE NOTE OF WEAR! I WOULD NOT TRUST MY DIGITAL METER WITH 100% ACCURACY! This part was removed from a. 1999 Polaris sport 400 L 2x4 atv. THIS PART MAY FIT OTHER YEARS, PLEASE DO YOUR OWN RESEARCH! IF YOUR ATV IS NOT THE EXACT SAME YEAR AND MODEL AS MY LISTING, YOU ARE RESPONSIBLE TO ENSURE PROPER FITMENT! This part is used, which means it may…