The winning combo: a 1974, Mercury Marine block, Standard bore, NOS! 9.5" deck Windsor blockFord Motorsport Jack Rousch single plane, NASCAR intake maniford.Pair of closed chamber Australian 2-bbl cylinder heads, with 60 hrs of port matching, shaping and polishing time. Manley 2.19 SS valves, w/duel wound springs, retainers and guide plates, 3-angle valve job, replaced hardened seats, ready to bolt on.1 super rare Ford Motorsport crossover aluminum water transfer manifold, with all machine work done on the conversion.This combo will, with a reciprocating assembly (427,393, etc., your choice), will make 600hp.Must pick up.
