I would never have any rare block or a one of block machined, assembled and tested by anyone other than a Pontiac specific machinist.
In Fulper we trust? LOL, just kidding!
1968 400 Coupe, verdoro green, black vinyl top, auto 1969 GTO Judge coupe, Carousel Red, manual 1971 Trans Am, cameo white, auto 1970 Buick Skylark Custom Convertible 350-4(driver), Fire Red, white top, auto 1972 Buick GS Stage 1, Royal Blue, black vinyl top, auto