OEM Rocker Arm Side Play

12many said

All I’ve ever read about those is that they were thicker in the pushrod socket area to prevent breakthrough, but you’d think the whole rocker is thicker being a stamping. I can tell you these Mellings are heavier and stamped from slightly thicker steel than the old 78 factory rockers we have.

Click to expand...

And see....I've never seen THAT in print. All I've ever seen said "thicker cross section" and that is about vague as all heck.

I can attest to the lateral sloppiness. They were never tight on the shaft. Never. The biggest thing here to get things "equal" when using any rocker arm, stock or otherwise is getting the valve stem heights all correct and equal. When I had my slant 6 closed chamber head done, Richie got them all within .002" of each other. That's thanks to the badass Rottler he has.