Re: Judges
A 71 455 HO has an aluminum intake, round port heads, essentially a RA IV top end. A 70 455 has iron intake, d port heads, it was basically a big car engine in a GTO. A 71 455 HO is much more desireable than a 70 455.
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<span style="color: blue">1970 GTO Judge Ram Air IV, 4 speed</span>
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