Truck crankshaft pulley ?

[Zeke...PA]

City

Delta

State

PA

I am looking for a 49-53 ? truck crankshaft pulley, I have an 8BA with 8RT water pumps, want to run a 21A crab distributor, have cam, cover, dist, etc. I am told I need a truck crankshaft pulley, small diameter about 5" . Thanks Zeke

 

[LuckyFordGuy]

I have 2 - one has a long shaft and one with a short shaft with a 5/8 wide belts.
$30 plus shipping. Rog - MN