Originally Posted by TUTS 59
Has anyone used a Best Gasket 4519S, Rear main Seal for a 235/261. The 1960 235 I'm putting together has a rubber style seal factory setup.

We used the Best Gasket seal when we built John's 261 in Charlie, about 6-7 years ago. So far, no leaks, I'm pretty sure. I made a seal installation tool from an old piston to pack it firmly into the block and the main bearing cap, which is something most people don't do.
Jerry

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