As you can see I have these by a handful of differet manufacturers, across different decades. ALL were made in the USA. I'm not getting specific on what brand I grab and ship, other than if you order 2 I will send two that the boxes match..
1 NORS MOOG K-26 Outer Support Assembly or Called a Pivot Pin by most.
Fits either side on the following,
1939-47 Chevy
JA, KA, KH, Ag, AH, BG, BH, DJ, DK, EJ, EK
S1BBX53