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Looking in the past this was done for street hemi and max wedge manifolds. The quality was better than OEM and the price became afforable. Only issue with some purists was the casting dates. If I'm correct there is only one casting date for the M code and it was in late 1968, so every one of these should be correct?



yeah the casting date on mine is 12-10-68 for the core


1969.5 A12 Bee EV2
1971 Charger RT
1973 Duster tubbed 500 low deck 10.90 monster
3 440 polara vert projects