Roller Rocker Side Clearance

Bewy said
With roller rockers, you should be centering the roller tip on the valve stem. Stock rockers have a veeeeery wide footprint & have plenty of leeway. Not so with a narrow roller tip. Get the tip centered, THEN use shims to position the rocker. You do not need a lot of side clearance, 0.005" each side is fine. Too much side clearance, & the tip can move off centre.

The issue is with the wear I am seeing on the sides of the rockers and the shims even though the clearance is on the low end of the spec at .008.

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