Add 80 Horsepower by Installing AFR 265 Oval Port Heads
We decided to flesh out our theory that oval-port heads actually belong on a 600hp 454 by doing a little test. To illustrate just how impressive the current crop of oval-port heads are, we built a healthy 454 test engine and ran two sets of heads back-to-back on the engine dyno.
Add 80 Horsepower by Installing AFR 265 Oval Port Heads
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