Rod Stampimg # Is 2951906 and a 6pk rod has wider beam also thast 6029 575-6 is a lt&rt Pn, 60 numbers are all clip , nuts and bolts etc, als the last servive # i new of For a bbl rod was 2951908 as the were used in mid 70s motorhomes and poice cars, as for the Air cleaner base i never Could find A3 for thecorrect one were do i get my info from workin mant years in Dealer parts.Also dealer i worked at was a big dC dealer.there was a Insert in 69 pas car catatalog thatwas sent from chryler as my stay at the dealer were in found it was short and never had a chance to copy it.