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anybody here running these heads? If so did you have to clearence for 3/8 pushrods? I have a set of correct length rods but the 3/8 dia is rubbing on the bottom of the pushrod "tunnel" just on the intakes. Didn't know how much I could clearence before ruining heads. Even though they're junk...

wheres the best company to buy custom length pushrods? I need 11/32 ball/cup 9.33 long

ok, so I'm rebuilding my 440 and decided to go with a solid flat tappet opposed to the hydraulic since I had to many lifter issues. I have a set of 9.250 pushrods from a previous project and figured I would see how one fits. At .22 lash I have about 2 threads showing on the bottom of the...

anybody here running the 590 purple shaft on the street? Thinking about putting one in my 440. Gonna be street driven only.