Avenger cylinder heads Cnc fully assembled, 205cc intake port, 58cc combustion chamber, Rev 2.
05 x 1.
60 stainless steel valves, Comp.
Cams 1.
460" dual valve springs w/ max.
.
650 lift for hydraulic roller camshaft, heads flow 311 @ .
650 intake / 232 @ .
650 exhaust, race radius valve job, chromoly retainers, bronze valve guides, heads fit 289, 302, 351W, sold as pair, stock port locations, new
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