Help identifying pistons and cylinder heads

Oh, if I go with aftermarket heads it will be aluminum. I think from what I looked at before, it would be like $700 for a set of the speedmaster aluminums setup for flat tappet (for the pair). I will only stay iron if I can find a cheaper set locally.

I think I mentioned it above, but I went out to the garage quick this morning to measure the valves, and they are indeed the 1.78/1.60.

The only iron heads I would purchase would be if I could find a reasonably priced factory casting with larger valves in them already. Otherwise I will look at aluminum aftermarket. Machine shop costs here are not cheap, so reworking factory heads is really not something in the budget unless I would be building a stock eliminator type deal where I had to use them.


If you go with this set that are set up for hydraulic roller the come with nice 10 degree retainers and keepers. The springs are reportedly set up light for a 600
Lift cam which plays into the hands of many guys wanting to run smaller lift cams. If I remember right there were 4-6 shims to even lower the pressure more. The retainers were chrome moly and very nice looking. If the sale happens these were 40% off this price shipped free.

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