Chevy called them LCF's, GMC called them 'F's'. What engine do you have? Nice that you kept the big wheels, would look undernourished in the fenders if 16's used.

Ed

Last edited by EdPruss; 06/16/2020 12:16 PM.

'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.