4-bolt main, 1-piece rear main sealPassenger side dipstickAlign honed main bearing boreCylinders honed on computer controlled machine to within .0002 straightness and roundnessCylinders are sonic tested for thickness
Premium cast steel crankshaftChevy heavy beam rodsKeith Black Hypereutetic pistonsHastings Moly ringsBalanced rotating assemblyMelling high volume oil pumpFlat tappet hydraulic lifter camshaftHeavy duty double roller timing set
Cast iron "Vortec" cylinder heads1.25 diameter valve springsHardened retainers and springs2.02 swirl polished intake valves1.60 swirl polished exhaust valves1.5 long slot, stamped steel rockersHardened push rods
Cam Type: Flat Tappet.480 Intake .486 Exhaust224 Intake / 230 Exhaust duration @ .050
34 degrees at 3500 RPM
Aluminum intake manifold750 cfm carburetorHEI distributorHarmonic balancerFuel pumpWater pumpBluePrint plug wiresSpark plugsChrome valve coversBrass freeze plugsDyno tested – and shipped with results
BluePrint Engines recommends 91 Octane for this engine and a 1800-2200 RPM stall converter.
Not for use in pollution controlled vehicles.
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