4 bolt main block bored .040 over1 piece rear main sealSquare and parallel deckedAlign honed main bearing boreCylinders honed on computer controlled machine to within .0002 straightness and roundnessCylinders are sonic tested for thickness
New cast steel crankshaftFlat Top Hypereutetic pistonsGM heavy beam rods with 150,000 psi boltsHastings Moly ringsRotating assembly balanced to within 2 gramsMelling high volume oil pumpRoller camshaftDouble roller timing chain
Cast iron Vortec heads1.25 diameter valve springsHardened retainers and springs2.02 swirl polished intake valves1.60 swirl polished exhaust valvesHardened push rodsHP long slot rockers 3 angle valve job
Cam Type: Roller.480 Intake .480 Exhaust210 Intake / 220 Exhaust duration @ .050
Set at manufacturer specifications
Timing coverOil panValve coversBrass freeze plugsDyno test results shipped with engine
This engine requires a 400ci weighted harmonic balancer, and late 350ci weighted flexplate/flywheel.This engine was designed to run with all stock components such as fuel system, stall converter, fuel pump etc. BluePrint Engines does recommend that you upgrade your computer during installation.
Not for use in pollution controlled vehicles.
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