383 420HP 430FTLBS STROKER MARINE ENGINE

Block GM 4-bolt 1 PC rear main seal
Crankshaft Scat steel 383 crankshaft
Connecting rods GM 3.750 w/ARP 150,000 bolts
Pistons Speed Pro Hypereutectic flat top 9:1 comp ratio
Piston rings Mahle plasma moly piston rings
Camshaft Comp marine .462/.477 - 218/224 - 112 specs
Lifters Speed Pro hydraulic
Oil pump Melling high volume oil pump
Timing set Cloyes HD double roller timing set
Bearings Clevite/Mahle HP "tri-metal" rod & main bearings
Flex-plate Pioneer 14" 168 tooth
Harmonic balancer GM externally balanced
Freeze plugs Brass deep dish
Heads GM 76CC 1.60/2.02 cylinder heads
w/hardened valve guides, seats, guide plates & screw-in studs
Valves Stainless steel swirl polished 1.60 / 2.02
Springs Comp series valve springs .530 max lift
Push rods Elgin hardened push rods
Rockers GM 1.5 ratio rockers arms, balls & nuts
Gaskets Marine gasket set
Head bolts GM head bolts

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