FE450 Air Boot Left and FX450 Air Boot Right, Screws for Air Temp Sensor are- 0081050181 , PLASTIC K50X18 T20 FE450 Air Boot Left and FX450 Air Boot Right, Screws for Air Temp Sensor are- 0081050181 , PLASTIC K50X18 T20 Air Boot #79406026000 is the air boot for the FX450 and 450XCF, and fits the FE450 KTM and Husqvarna EFI- 250 350 450 500 - SXF XCF XCW EXC and Freeride 350