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Looking for a set of 1971 340 Left and Right Exhaust manifolds.
Date coded i assume?
Not necessarily, the car has a NOM but it is a correct date coded 340, just not the Correct VIN. The car was built June 1971.
The Hi Po manifolds?
I will check i have date coded but are pricey as i am selling that set for when date coding matters. I think I have later sets. Fyi did you check ebay. Some are cheap.
Yes , thanks. I have a set and the right side number is correct but the left doesn’t show in the books. 3418621-1 . Date coded 4-29-71 Maybe it’s correct?
Not for an A body. Kim
I have a set but not 71 date codes
These are what you are looking for 1968-71 340 Exhaust Manifolds Duster Dart Plymouth Cuda TA AAR Challenger GTS 70 | eBay
Wrong passenger side. changed in 1971.
What are the correct L & R casting numbers that I need?
2863553 (68-71 A Body 340) LH Drivers Side 3418623 (71-73 ABCE Bodies 340/360) RH Passenger Side See post #9 above. the LH is 72-74 but will work with 71 factory exhaust. RH side is correct.
sorry driver side is 72 and up