4-bolt main 1-piece rear seal block (w/passenger side dipstick only)Square and parallel deckedAlign honed on computer controlled machine to within .0002 straightness and roundnessCylinders are sonic tested
Cast iron crankshaftKeith Black hypereutectic pistonsChevy heavy beam rods with 150,000 psi boltsHastings Moly ringsBalanced rotating assembyMelling high volume oil pumpFlat tappet hydraulic lifter camshaftHeavy Duty double roller timing set
Cast iron "vortec" 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 - 112 degree lobe separation
34 degrees total at 3500 rpm
Professional Products dual plane satin finish intake manifoldNew chrome valve coversBrass freeze plugsDyno test results shipped with engine
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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