Big Bore Piston 911cc / Skidoo 850 Category_Default Category/SLED/Arctic Cat/8000 (800 2 Stroke) '12-17 When the stock ones break

When the stock ones break or stretch anti-freeze has been known to push out of the coolant bottle and can even be sucked into the motor especially if a head gasket were to blow

your clutch needs to be recalibrated to put that power to the ground

it's best to stick with the 2

These tools fit the needs of enthusiasts in the Powersports

Big Bore Piston 911cc / Skidoo 850 Category_Default Category/SLED/Arctic Cat/8000 (800 2 Stroke) '12-17 When the stock ones breakLooking for a replacement piston for one of the following big bore BMP motors? Sold individually. Comes with rings, circlips and in most cases the wrist pin. *Actual piston may vary from picture* No single action on your part is as important as proper engine break in BREAK IN RESPONSIBILITY Do not operate at full throttle or high speeds for extended periods during the first three hours of use.