Regarding the applications. Mike B had posted this info in a past thread

Group 5.026 Brake Shoe Spring

1951-57 UTIL. (1-1/2 & 2 ton)...short, rear shoe (3-7/16 O.L. - green)...p/n 3694516 (4) required, 2 per side.

1951-57 UTIL. (1-1/2 & 2 ton)...long, rear shoe (3-7/8 O.L. - black)...p/n 3694799 (4) required, 2 per side.

The lengths are approximate.

My personal truck is a 1955 Chev 2 ton with a 2 speed rear diff.
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