The Trunnion Upgrade Kit You Didn't Know You Needed

In today’s episode of the OBS C1500 build, we’re upgrading the LS rockers with a Michigan Motorsports Trunnion Upgrade Kit 💪🔥

This upgrade is a must for any high-performance LS build — especially when you're pushing boost, high RPM, or just want peace of mind. The factory rocker bearings are known to fail under pressure, and that’s the last thing we want when we’re building this truck to scream down the track and still cruise the street.

We walk you through:

Why the trunnion upgrade is essential

Step-by-step install on our LS heads

Tips to avoid common mistakes

How this plays into the bigger drag-and-drive setup

This is all part of transforming our 1996 OBS Chevy C1500 into a street-legal monster that’s built to run hard, last long, and rip down the strip.

✅ Drop a comment if you’ve installed a trunnion kit before or had rocker bearing failures.
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