Bronco AT-09478K Big Bore Cylinder Kit - 2.00mm Oversize to 80.00mm Bore

Standard and big bore kits. Cylinders bored and honed to match recommended clearances. Designed to match oem in appearance. Bolt on out of the box and require no case modification when installing. Will work with a stock or modified head and crankshaft. Namura technologies branded with features including mos2 coated skirts,for excellent break-in qualities and reduced friction, machined smoothed. Heads for better flow rates and reduced carbon build up, and finished off with hard anodized piston domes for increased durability. All piston kits include wrist pin, circlips, and rings. Gasket Kit:. Namura technologies branded, the top end gasket kit includes all components needed to rebuild your top end including the head gasket, base gasket, exhaust gasket, intake/carb gasket, o-rings and valve stem seals..

Vehicle Fitment:

2010 Polaris Ranger 6x6 800
2010 Polaris Ranger 800 Crew
2010 Polaris Ranger RZR 4 800 Gordon Edition
2008-2010 Polaris Ranger RZR 800
2009-2010 Polaris Ranger RZR 800 S
2005-2010 Polaris Sportsman 800 EFI
2009-2010 Polaris Sportsman 800 EFI 6x6 Big Boss
2008-2009 Polaris Sportsman 800 EFI HO
2008-2009 Polaris Sportsman 800 EFI Touring
2007-2009 Polaris Sportsman 800 EFI X2