Getting a 20 horsepower bump just by reducing valvetrain friction from the roller rockers might seem too good to be true. Spoiler alert — it is. That's because when rocker arms are replaced ...

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Mrocca’s new Chevy LS3 small block is a traditional V-8 with pushrods, roller lifters, and roller rocker arms opening two valves per cylinder. But that’s before a lengthy list of aftermarket parts and ...

Fire officials said his arm was stuck up to the elbow. 1 person has their arm trapped in the roller. Up to the elbow — New Haven Fire (@NewHavenFire) November 4, 2022 ...

They will outlast any gauge wheel arm equipped with OEM threaded bushings. These kits feature the industry-standard double-roller 5203KYY2 sealed bearing, that stays tight and withstands abuse, unlike ...

A The rocker arms that actuate the valves in this engine pivot on a special bolt that is threaded into the cylinder head. From your description, it sounds as if the bolts worked loose over time ...

Rocker, 21, went 14-4 this season at Vanderbilt with a 2.73 ERA and 179 strikeouts over 122 innings. His fastball sits around 96 mph.

The Summit Stage 4 truck camshaft we chose pushes the valve lift up to 0.545-inch, which is a good reason to upgrade the rocker arms. But this also means those stock truck valvesprings would be ...

It also doesn’t use tie-bars as the keyway prevents the lifter from rotating in its bore. Turns out, even standard upgrade parts for the LS lifters squeeze out enough oil they begin to gall and even ...

With that in mind, go ahead and click play to see if upgrading the rocker arms in your LS makes sense for your build. Actually, even if you don’t have a build, knowledge is power.