Avenger cylinder heads Cnc fully assembled, 290cc intake port, 76cc combustion chamber, Rev 2.20 x 1.81 stainless steel valves, Pac 1.550" dual valve springs w/ max. .700" lift for solid roller camshaft, heads flow 362 @ .700 intake / 261 @ .700 exhaust, race radius valve job, chromoly retainers, 11/32" valve stems, bronze valve guides, rb head fit 383 / 440, minimum bore size 4.300", (max wedge head also available), sold as pair, new
call for shipping quote. ask about optional spring, valve or retainers. shaft mount rockers & intake manifolds also available.