I'm not aware of any 89" bed on Task Force pickups...are you sure you measured that right?

The '57 3200 step side is a 1/2 ton long bed and '58 3600 Fleetside is a 3/4 ton long bed and both have 98" beds.

Mike B smile

Edit...I found the 1955-56 3200/3600 had the 89" bed and 57-up 3200/3600 had the 98" bed.

Last edited by Mike B; 11/16/2019 9:06 PM. Reason: added foot note
Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD