Steel Vs. Aluminum Rocker Arms: Does It Make A Difference?

Rocker arms are an essential part of overhead valve engines. But how essential is it to keep track of whether they're made out of steel or aluminum?
Steel Vs. Aluminum Rocker Arms: Does It Make A Difference?

Rocker arms are an essential part of overhead valve engines. But how essential is it to keep track of whether they're made out of steel or aluminum?


This article was originally published onJalopnik.

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