Are part #'s different for Gen 1 and Gen 2 Whipples?
#3
Team Mustang Source
I seem to recall there is a difference between the serial numbersm, what the differences are ????. I do know that the HO Gen II ships with a 3.5 pulley. The Gen IIs have been shipping since at least early April so unless the kit had been sitting on a shelf for some time it would be difficult not to get a Gen II.
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