I agree...wait till PRI. There may or may not be a "different" version. Also I was told that the Performer RPM heads will go for $1100 each, assembled.
I don't know if it was noted already but the heads have the hellcat bolt pattern as well as the standard intake pattern.
knyech1-
'71 Sassy Grass Demon 340/904. Pump gas, 1.61 60ft, 7.439 1/8 @ 95mph, 11.824 1/4 @ 111mph
"Not too bad for a pump gas 340, full of used parts and hillbilly ported stock heads." - V.B.
'03 2500 5.9L HO 6-spd on 35's. 395hp/755ft-lb at tires.
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