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S&S Cycle CNC Ported Heads for T-Series Engines Part 106-5880 User Manual

Page 2

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CAUTION

Fig. 2

Rocker cover ribs where contact can occur.

Fig. 1

Rocker arm showing contact occuring with cover rib.

2

Excessive valve stem protrusion or tolerance stack ups could cause the rocker arms to contact the ribs on the underside of the rocker
cover on T-series engines. See Fig. 2. We recommend removing material from the rocker cover (See Fig. 3, next page) before installation
to ensure that contact does not occur after initial installation or as mileage accumulates.