4 Bolt Main .060 over block, two piece rear seal, drivers side dipstickSquare and parallel deckedAlign honed main bearing boreCylinders honed on computer controlled machine to within .0002straightness and roundnessCylinders are sonic tested for thickness
New cast steel crankshaft internally balancedNew 4340 forged H-beam connecting rods150,000 psi rod boltsForged flat top PistonsHastings moly ringsRotating assembly balanced to within 2 gramsMelling high volume oil pumpHeavy duty double roller (high performance) timing set
GM cast iron oval port cylinder heads with screw-in studs and guide plates1.509 dia. Valve springs w/ damper. Hardened retainers & keepers. 2.25 swirlpolished intake valves, 1.88 swirl polished exhaust valvesElgin hardened push rodsLong slot rockers with postitive lock adjusting nuts
Cam Type: Flat Tappet.544 Intake .547 Exhaust226 Intake / 236 Exhaust duration @ .050 - 112 degree lobe separation
34 degrees at 3500 RPM
Marine intake manifoldChrome valve coversOil panBrass freeze plugsAll engines are dyno tested on state-of-the-art DTS dyno and come witha complete dyno sheetMarine 800 CFM carburetorMarine mechanical fuel pumpIgnition system w/ plug wires and coilDyno test results shipped with engine
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