For all its advantages, the LS has a few notable drawbacks—with a non-adjustable valvetrain perhaps being the most prominent. While that’s not a big deal for most engine builders, it does mean that proper pushrod length is critical and, just as important, you’ve got to make sure you install your pushrods and rocker arms the correct way.

The good news is, installing pushrods and rockers in an LS isn’t that tough. Nonetheless, you’ve got to follow the correct procedure, which is why the engine building professionals over at All Chevy Performance created this install walkthrough video.

This video is part of an LS engine build series from In The Garage Media. You can see more of these engine building tutorials here.

It’s got a handful of helpful tips and tricks to installing pushrods and rocker arms in an LS engine, to ensure your valvetrain lives a long happy life..

Whether you’re starting a fresh LS engine build, or just tinkering inside your cylinder heads, this video packs a lot of vital installation tech into a short four minutes. You can watch it below: