Copied this off an old thread: Found these on the old interweb. I know nothing about them, so Buyer Beware! https://www.hiltopautoparts.com/product/nos-fuel-pump-1968-72-buick-400-455-stage-1-v8-models/ https://jcaparts.com/products/1967-1974-buick-455-gs-stage-1-fuel-pump-high-volume https://hagensautoparts.com/?search=FP40664 https://www.autozone.com/external-engine/fuel-pump/buick/gs-455 This one is from a regular Buick vendor... http://www.oldbuickparts.com/product_info.php?products_id=8403
TA Performance had their reproduction on display at Bowling Green. Not sure if they are available yet, but I am sure they will be built with ethanol gasoline in mind.