5173 Hollywood Blvd, 307, Los Angeles, CA 90027, United States Mon–Sat 9:00am – 6:00pm PT · Sun closed
Parts desk +1 (209) 373-5717 Mon–Sat 9:00am – 6:00pm PT

Crate Engines

BluePrint BP38318SP GM 383 Short Block Plus Crate Engine, Cast Steel Crank

BluePrint

$2,596.51

Part price only. Freight is quoted for your ZIP before you pay — a gasket set and a 425 HP outboard are not the same shipment, so nothing is guessed at checkout.

In stock — ready to dispatch

Part number checked before dispatch Send the model, year and serial range and we confirm this is the right number for your unit — including whatever it supersedes.
Quoted freight, insured in transit Small parts by parcel, engines and outboards crated on a pallet. You see the figure for your ZIP before you pay.
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Fitment help before you buy Call +1 (209) 373-5717 — Mon–Sat 9:00am – 6:00pm PT · Sun closed

Description

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: 430 HP / 450 FT LBS Compression Ratio: 10.0:1 Hypereutectic Pistons Cast Steel Crank Part #: BP38318SP Block4 Bolt main 4.00" bore Passenger side dipstick Align honed main bearing bore Rotating AssemblyNew cast iron crankshaft, 3.75" stroke Hypereutectic pistons, 12CC Dish New rods with 150,000 PSI bolts Hastings moly rings Melling high volume oil pump Hydraulic roller cam Heavy duty single roller timing set Harmonic balancer Cam SpecsCam Type: Roller, Lift with 1.6 rockers 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

  • Crate Engine Type: Short Block
  • Engine Displacement: 383 cu. in.
  • Horsepower: 430 horsepower
  • Compression Ratio: 10.0:1
  • Torque: 450 ft./lbs.
  • Camshaft Type: Hydraulic Roller Tappet
  • Piston Material: Hypereutectic Aluminum
  • Crankshaft Material: Cast Iron
  • Camshaft Duration (.050 in): 221° intake / 226° exhaust
  • Camshaft Lift (in): .528 intake / .536 exhaust
  • Bore x Stroke (in): 4.000" x 3.750"
  • Carburetor Included: No
  • Intake Manifold Included: No
  • Distributor Included: No
  • Warranty: None
  • Valve Covers Included: Yes
  • Assembled: Yes
  • Engine Balance: External
  • Cylinder Heads Included: No
  • Rear Main Seal Style: 1-piece
  • Throttle Body Included: No
  • Oil Pan Included: Yes
  • Timing Cover Included: Yes
  • Water Pump Included: No
  • Harmonic Balancer Included: Yes
  • Flexplate Included: No
  • Flywheel Included: No
  • Air Cleaner Included: No
  • Spark Plugs Included: No
  • Spark Plug Wires Included: No
  • Computer Included: No
  • Wiring Harness Included: No
  • Camshaft Included: Yes
  • Lifters Included: No
  • Block: 4 bolt main
  • MFG. Part #: BP38318SP
  • 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
  • Brand: BluePrint Engines

Emissions Notice

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

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