A mid-'50s Ford 292 pulley is just right for the cut down later pump. That's the way we used to do it before there were specialty shops. I can't remember what the diameter is though.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.