Recently came across these bars on E Bay, and was wondering if anyone can provide a reference for their function.  Any feedback appreciated.  Also what diameter suits a standard Y block.  I believe they are available in 1 inch and 1 1/8 inch configurations. It looks as though they use the bumber iron mounting holes??? Y/N

Regards

John

1957 ________________ Ford

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Y Blocks, The New Flathead!