Kubota Valve Train Kit D650 D650-B

This valve train kit is engineered for Kubota D650, D650-B, and D650B 675cc inline-three diesel engines. The kit contains a complete set of valvetrain components: intake valves, exhaust valves, valve stem seals, valve springs, valve keepers (lockers), and valve spring seats. It restores valve sealing and timing performance during cylinder head overhaul. Applicable to Kubota B-Series compact tractors including B6100-D, B6100HST-D, B6100HST-E, and B6100-E. Valve clearance specification for cold engine adjustment is 0.15–0.19 mm. Component OEM cross-references include intake valve 15261-13110/13112/13121, valve spring 15261-13240, and cylinder head assemblies 15361-03040/03110.