O.S. Rocker Cover Sirius 7Tower Stock# OSMG8475 • Manufacturer Stock# 47104200
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Notes from our tech department:
O.S. MAX FR7-420 SIRIUS-7 Engine - OSMG1307.
One Rocker Cover (key #1) for the O.S. MAX FR7-420 Engine
Installation onto cylinder head
There are 14 of these covers on the engine, two for each cylinder.