The SR is a Service Replacement block. What happened to the WW? Possible removed before he got the car or motor blew. The service replacement (SR) is not considered as numbers matching "NOM".
Unless the owner has reciept of block to go with sale, do not anticipate the car selling for the same price as a WW coded RA IV. To some potential purchasers, the SR is acceptable but as I said..blocks talk..
Although not a GTO expert...from looking at the invoice, RA IV option on invoice w/VIN, and the fact that the VIN is intact on car and matches the invoice, I speculate the GTO is a true RA IV with a SR block.
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1967 Starlight black PMD Engineering 400 Auto 1968 Alpine Blue 400 4 speed 1968 Verdoro Green 400 HO 4 speed 2013 1LE 2SS/RS Inferno Orange Camaro.
