True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!GM 383 Short Block Plus Overview HP & Torque: 432 HP / 450 FT LBS Compression Ratio: 9.5:1 Forged Pistons Forged Crank Part #: BP38321SP Block4 Bolt main 4.00" bore Passenger side dipstick Align honed main bearing bore Rotating AssemblyNew forged crankshaft, 3.75" stroke Forged pistons, 18CC Dish Forged rods with 150,000 PSI bolts Hastings moly rings Melling high volume oil pump Hydraulic roller cam Heavy duty double roller timing set Harmonic balancer Cam SpecsCam Type: Roller, Lift with 1.6 rockers .528 Intake .536 Exhaust, 221 Intake / 226 Exhaust duration @ .050 – 110 degree lobe separation Ignition Timing34 degrees total (at 3500 RPM) Also IncludesOil pan and timing cover Brass freeze plugs Dyno tested – shipped with results NotesBore and stroke combination makes this crate engine a 377ci displacement
Specifications
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Crate Engine Type: Short Block
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Engine Displacement: 383 cu. in.
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Horsepower: 432 horsepower
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Compression Ratio: 9.5:1
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Torque: 450 ft./lbs.
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Camshaft Type: Hydraulic Roller Tappet
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Piston Material: Forged Aluminum
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Crankshaft Material: Forged Steel
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Camshaft Duration (.050 in): 221° intake / 226° exhaust
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Camshaft Lift (in): .528 intake / .536 exhaust
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Bore x Stroke (in): 4.000" x 3.750"
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Carburetor Included: No
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Intake Manifold Included: No
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Distributor Included: No
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Connecting Rod Material: Forged Steel
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Warranty: None
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Valve Covers Included: Yes
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Assembled: Yes
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Engine Balance: Internal/External
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Cylinder Heads Included: No
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Rear Main Seal Style: 1-piece
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Throttle Body Included: No
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Oil Pan Included: Yes
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Timing Cover Included: Yes
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Water Pump Included: No
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Harmonic Balancer Included: Yes
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Flexplate Included: No
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Flywheel Included: No
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Air Cleaner Included: No
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Spark Plugs Included: No
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Spark Plug Wires Included: No
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Computer Included: No
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Wiring Harness Included: No
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Camshaft Included: Yes
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Block: 4 bolt main
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MFG. Part #: BP38321SP
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Notes: Actual displacement 377 cubic inches. Horsepower numbers are with H8002K cylinder heads installed. Recommended oil for your BluePrint Crate Engine: 10W30, Non-Synthetic, Not for EGR
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Brand: BluePrint Engines
