Thanks Grigg, awesome info. I'm guessing there hard to find but my '51 GMC 640 could use one. 2500 r.p.m. max, the thing would last forever.
'36 Tall cab Chevy 1.5 ton, '36 Low cab Chevy 1.5 ton, '53 GMC 2 ton, '51 GMC 640 5 ton, '47 Dodge 2 ton, '42 GMC CCKW 353 6X6.
| 
