I have a airbox off a 2007 Skidoo Summit X 800 REV. No cracks. It comes with the boots and sensor.  Please see all pictures. 

This will fit 2007 Skidoo Summit X 800 HO 

Part # 508000511

This will Fit many applications so Please check your part # for compatibility!

I SHIP FAST!

ALASKA PLEASE CONTACT ME BEFORE PURCHASING TO GET THE ACTUAL SHIPPING RATES DUE TO SIZE AND WEIGHT!