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I'm looking at the oil feed holes to the rocker arms and they seem small.They are around 1/8" in diameter.Has anyone running these had any issues or drilled them bigger? Thanks

What are you guy's using for a peening tool since there not available from mopar?Has anyone used the hughes burnishing ball instead for peening the tube?

I recently pick up a r3 block part number p4876671 which is a 9.20 deck,48 degree,four bolt 340 main siamese.This is new a still in the pallet from mopar.I don't know a lot about these so looking for any information would be great.Are 48 degree w9 heads still available or are there something...

Any one see the j heads crack here below the exhaust?It's leaking most of the way across the length of head where the pour boxes came together.