[329s]

When looking at bolt A-20740 Engine rear support bolt IN THE PARTS PRICE LISTS, which gives the size as 5/16-24 (2 x 1-3/8)...what does the "(2 x 1-3/8)" mean?

I know it has to do with the length of the bolt, 1-3/8 I think...but what does the "2" mean?

These are the bolts that attach the Engine rear support to the frame...three (3) per side.

Thanks.

Pluck