Some after market heads like edelbrock are plumbed on both ends of the heads so it doesent matter which head goes either side. There are plugs to put in the front side holes this may be what he is refering to. Sock heads are not interchangable.
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93 coupe,373's ripper shifter,MAC 1-5/8 equal lengths,MAC 2-1/2" H-pipe with cats,flowmaster 2 chambers,lowered 1-1/2" with BBK springs.Motorsport HD clutch,,FMS pullies,75mm bullet maf,walbro 190 lph fuel pump,kirban adj fpr.edelbrock 6037's e303, cobra intake
frpp 1.6 roller rockers
mac cold air kit
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