Big Bore 2150cc / PROR Category_Default Category/SXS but want something a little

but want something a little quieter

Exhaust restriction is the engine's primary enemy

2013 - 2013 Polaris Sportsman 850 HO XP EPS

000 RPM results in a reed petal opening and closing 133 times in one second

Big Bore 2150cc / PROR Category_Default Category/SXS but want something a littleThe Bikeman Big Bore Cylinder is a big upgrade for massive na power or building on top of the engine with a turbo. Big Bore 2150cc Bored and Sleeved Cylinders Custom Big Bore Pistons 93mm bore = 2. 13L, 96mm = 2. 26L Comes with Pistons, Rings, Wrist pins, circlips BIG BORE 2300cc STROKER KIT Bored and Sleeved Cylinders Polaris Pro R Includes 4340 billet crank, 78mm stroke, BC ProH2K rods (4. 915" c to c), custom CP or BME pistons (choice of bore