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When the original production Magnum heads were introduced, it was a significant step up for small-block Mopar performance. While the early 340 "X" heads had set a high ... over 500 hp out of ...
I have a question on 1969 Mustang wheels. In MCA concours classes, do the judges accept Magnum 500 wheels as a dealer option? They look great and seem to be very popular today. If Magnum 500 ...
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