Andrea Iannone tops the FP4 session at the Italian GP with the two factory Ducati's of Jorge Lorenzo and Andrea Dovisioso just behind the Suzuki man on race pace.
During this session, riders were testing out what the best race set up would be for the race tomorrow and what works best for both rider and bike.
Marc Marquez is not far off the top time in fourth place with the two factory Yamaha's behind him. Maverick Vinales finsihed fifth and home hero Valentino Rossi finsihed behind his teammate in sixth place.
Despite crashing during the session, Alex Rins got his Suzuki in P7 in front of Jack Miller in P8.
Johann Zarco also crashed during the session but put his Tech 3 Yamaha in ninth place and Danilo Petrucci rounds out the top 10 of FP4.
Franco Morbidelli finished P11 and Aleix Espargaro in P12.
LCR Honda rider's Nakagami and Crutchlow ended the session P15 and P17.
Dani Pedrosa finsihed outside the top 20 as he crashed his Repsol Honda during the session.