- Valve Train Kit for High Compression Cylinder Head (364017R21)
IH Farmall Tractor 300, 350, H, HV, W4, Super H, Super H, Super HV, Super W4, I4, O4, OS4
models with the New High Compression Cylinder Head 364017R21
Includes Valves, Springs, Spring Retainers, & Valve Locks