Turn It Up: This 4-Cylinder, 4-Stroke Rat Rod Needs to Be Heard [VIDEO]

This 1/5-scale Rat Rod is one of the coolest RC cars that we have ever seen and we just had to share it with you. It’s a combination of HPI Baja 5B parts, custom work, and a lot of creativity–not to mention a 4-stroke inline-4 engine. The mill sounds amazing and is fun to watch with its exposed rocker arms and valve springs doing their thing, and the vintage look suits the Rat Rod vibe perfectly.

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