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489 CID BBC Mark IV .030 over 4 bolt main. Wiesco 10.5 forged pistons w moly rings. 4340 4.250 stroke Crank, +.250 I Beam Scat rods. 320 cfm ported aluminum heads with all new valves, severe duty 11/32 in valves, 2.25 in 1.88 + .100 ex, Felpro Perma tork gaskets, Howards solid roller springs w/ Titanium retainers, lash caps, Howards push rods and roller lifters with stainless steel shaft rocker system 1.7 ratio. Crane R-274 mech roller cam and Billet timing set, aluminum timing cover. Holley Pro Dominator 2X 4- 4500 intake (ported). Weaver 3 stage dry sump plumed with lines, pump, and remote filter. PC balancer. Internal balance. (Never run)
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