O.S. Engine OS40960300 FS-95V Replacement Valve Spring Seat for RC Engines  [OS40960300]

Replacement guidance for the valve spring seat

The O.S. Engine OS40960300 valve spring seat is offered as a direct replacement part for the FS-95V engine and is intended for routine maintenance and rebuild procedures. The text highlights proper fitment and the component's mounting role rather than performance upgrades.

Fitment is linked to the FS-95V reference in the product title; always confirm OS40960300 against your engine model or service documentation prior to fitting. The seat provides the interface between the valve spring and the cylinder head, performing a necessary mechanical mounting function within the valve train.

When replacing the seat, examine adjacent parts such as the valve keepers, springs, and guides for wear or damage. Ensuring a clean contact area and correct seating reduces the chance of binding and helps maintain valve timing integrity during subsequent use.