43mm head 97mm long with 8mm shaft marked TRWT 80551/2. From a 2001 ST2. find a lot more parts for Ducati 749,999 and 748, 916, 996 series bikes.
The Ducati ST2 944 intake valve, 43mm TRWT 80551/2, is perfect for improving the performance and sound quality of a Ducati ST2 motorcycle engine.