I used the Best Gasket 4519S neoprene rear seals on my '61 261 and have had no leaks. I did have one heck of a time getting them in, though. I wish I could have done what Hotrod advises.


1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.