Constructed of molded black plastic with brass needle valve holder.
One Cover Plate with Needle Valve Holder for the O.S. Max .25LA and
the .25LA-S Airplane Engines.
Four 2.6mm x 8mm socket head cap screws (can use OSMG8678) to attach
cover plate to crankcase, connecting fuel line, and installing
needle valve assembly which consists of the Ratchet Spring
(OSMG8172), O Ring (OSMG7388), and the Needle (OSMG7017).
This cover plate does not include the needle valve assembly. The
version with the needle valve is OSMG4073.
No cover plate gasket is used with this engine.