FREE SHIPPING ON ALL US ORDERS

Select category
  • Select category
  • Accessories
  • Christmas Decoration
  • Coffee Machine
  • Garden & Outdoor Power Tools
  • Generators
  • Greenhouse
  • HALLOWEEN
  • Lawn Mowers
  • Mega Sale
  • New & Used Engines
  • Outdoor Spaces
  • Pergola & Gazebos
  • Portable Generators
  • Pressure Washers
  • Ride Mowers
  • shed
  • Sheds
  • Snow Blower
  • Sofa
  • Walk-Behind Lawn Mowers
Login / Register
Wishlist
0 Compare
0 items $0.00
Menu
0 items $0.00
Browse Categories
  • New & Used Engines
  • Outdoor Spaces
  • Portable Generators
  • Ride Mowers
  • Sheds
  • Walk-Behind Lawn Mowers
  • Home
  • Shop
  • Track Order
  • About us
  • Contact us
Click to enlarge
Home New & Used Engines BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank
BluePrint Engines B383FK4WD SBC 383/405HP with 700R4 4WD, EFI
BluePrint Engines B383FK4WD SBC 383/405HP with 700R4 4WD, EFI $15,959.16
Back to products
BluePrint Engines B400KTKX SBC 400/500HP with TKX, Carbureted
BluePrint Engines B400KTKX SBC 400/500HP with TKX, Carbureted $15,035.16

BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank

$7,198.80

BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank — Engine assembly for compatible automotive applications. 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 SpecificationsCrate Engine Type: Short BlockEngine Displacement: 383 cu. in.Horsepower: 432 horsepowerCompression Ratio: 9.5:1Torque: 450 ft./lbs.Camshaft Type: Hydraulic Roller TappetPiston Material: Forged AluminumCrankshaft Material: Forged SteelCamshaft Duration (.050 in): 221° intake / 226° exhaustCamshaft Lift (in): .528 intake / .536 exhaustBore x Stroke (in): 4.000" x 3.750"Carburetor Included: NoIntake Manifold Included: NoDistributor Included: NoConnecting Rod Material: Forged SteelWarranty: NoneValve Covers Included: YesAssembled: YesEngine Balance: Internal/ExternalCylinder Heads Included: NoRear Main Seal Style: 1-pieceThrottle Body Included: NoOil Pan Included: YesTiming Cover Included: YesWater Pump Included: NoHarmonic Balancer Included: YesFlexplate Included: NoFlywheel Included: NoAir Cleaner Included: NoSpark Plugs Included: NoSpark Plug Wires Included: NoComputer Included: NoWiring Harness Included: NoCamshaft Included: YesBlock: 4 bolt mainMFG. Part #: BP38321SPNotes: 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 EGRBrand: BluePrint Engines Emissions NoticeEmissions 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. Confirm part number, fitment, included components and warranty before purchase.

Compare
Add to wishlist
SKU: 8fae54464597 Category: New & Used Engines
Share:
  • Description
  • Reviews (0)
Description

BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank

BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank is a engine assembly listing intended for buyers seeking a specific replacement, restoration, or performance application. Review the model and configuration details carefully before ordering to ensure the correct match for your vehicle or build.

Product Highlights

  • 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 SpecificationsCrate Engine Type: Short BlockEngine Displacement: 383 cu. in.Horsepower: 432 horsepowerCompression Ratio: 9.5:1Torque: 450 ft./lbs.Camshaft Type: Hydraulic Roller TappetPiston Material: Forged AluminumCrankshaft Material: Forged SteelCamshaft Duration (.050 in): 221° intake / 226° exhaustCamshaft Lift (in): .528 intake / .536 exhaustBore x Stroke (in): 4.000" x 3.750"Carburetor Included: NoIntake Manifold Included: NoDistributor Included: NoConnecting Rod Material: Forged SteelWarranty: NoneValve Covers Included: YesAssembled: YesEngine Balance: Internal/ExternalCylinder Heads Included: NoRear Main Seal Style: 1-pieceThrottle Body Included: NoOil Pan Included: YesTiming Cover Included: YesWater Pump Included: NoHarmonic Balancer Included: YesFlexplate Included: NoFlywheel Included: NoAir Cleaner Included: NoSpark Plugs Included: NoSpark Plug Wires Included: NoComputer Included: NoWiring Harness Included: NoCamshaft Included: YesBlock: 4 bolt mainMFG. Part #: BP38321SPNotes: 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 EGRBrand: BluePrint Engines Emissions NoticeEmissions 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

Technical Specifications

Product name BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank
Store SKU 8fae54464597

Compatibility & Fitment

Engine compatibility depends on vehicle year, engine family, mounts, accessories, sensors, fuel delivery and emissions equipment. Verify the exact assembly configuration and required supporting parts before purchase.

What’s Included

Package contents depend on the exact manufacturer part number and whether the listing is a complete assembly, long block, short block, bare block, or transmission package. Only components explicitly stated in the product specifications or confirmed by the seller should be considered included.

Installation & Care

Follow the manufacturer’s installation, fluid, break-in, and maintenance instructions. Inspect all mating components and connections before first operation. Use the fluids and consumables specified for the exact application.

Warranty Information

Warranty coverage, duration, exclusions and any core-return requirements must be confirmed for this exact product before purchase. A 3-year store warranty should be advertised only if it is actually offered for this SKU under published store terms; manufacturer warranty may differ.

Important Product Information

Photos may show optional or illustrative components. Fitment, stock status, shipping requirements and installation accessories should be confirmed before ordering. Professional installation is recommended where applicable.

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank” Cancel reply

Your email address will not be published. Required fields are marked *

Related products

Compare

ATK Engines HP55 Small Block Chevy 383 Stroker Base Engine, 500HP

New & Used Engines
$7,621.19

ATK Engines HP55 Small Block Chevy 383 Stroker Base Engine, 500HP — Engine assembly for compatible automotive applications. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view
Compare

ATK HP291P Chevy 350 Base Engine 325HP

New & Used Engines
$4,332.00

ATK HP291P Chevy 350 Base Engine 325HP — Engine assembly for compatible automotive applications. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view
Compare

ATK Engines SP52NB Chevy 377 Stroker Short Block, 3.7cc Flat

New & Used Engines
$2,055.64

ATK Engines SP52NB Chevy 377 Stroker Short Block, 3.7cc Flat — Engine assembly for compatible automotive applications. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view
Compare

ATK Engines HP99C GM Chevy Vortec 350 Complete Crate Engine 290HP

New & Used Engines
$3,291.11

ATK Engines HP99C GM Chevy Vortec 350 Complete Crate Engine 290HP — Engine assembly for compatible automotive applications. OE roller block 2 bolt main 1pc seal 1996-2000; OE Reground external balance rear of crank/internal balance front of the crank. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view
Compare

ATK HP89CPOL Chevy 350 Complete Engine 390HP

New & Used Engines
$2,732.87

ATK HP89CPOL Chevy 350 Complete Engine 390HP — Engine assembly for compatible automotive applications. Cam duration at 0.50- 220 int./224 exh; Cam lift- .528 int./.536 exh. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view
Compare

ATK HP101 Chevy 383 Stroker Base Engine 460HP

New & Used Engines
$3,356.89

ATK HP101 Chevy 383 Stroker Base Engine 460HP — Engine assembly for compatible automotive applications. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view
Compare

ATK HP291PC Chevy 350 Complete Engine 330HP

New & Used Engines
$4,422.60

ATK HP291PC Chevy 350 Complete Engine 330HP — Engine assembly for compatible automotive applications. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view
Compare

JDM Mitsubishi Outlander 4B12 Engine For Sale

New & Used Engines
$1,800.00

JDM Mitsubishi Outlander 4B12 Engine For Sale — Engine assembly for compatible automotive applications. JDM Mitsubishi Outlander 4B12 Engine For Sale JDM Mitsubishi Outlander 4B12 Engine For Sale.Quality, low mileage Japanese import JDM Mitsubishi 4b12 motor for sale. The engine is in very good shape, with 59000Km on the counter. Quality screened and compression tested, ready for a seamless Mitsubishi swap or replacement project. *What You See In The Image Is Exactly What You Get. Confirm part number, fitment, included components and warranty before purchase.

Add to wishlist
Add to cart
Quick view

FREE SHIPPING

Fast. Reliable. Trackable

90-DAY EASY RETURNS

Clear and straightforward return process

SUPPORT

Monday to Friday from 8:00 AM to 5:00 PM

SAFE & SECURE

Safe. Encrypted. Trusted.

Thoughtfully selected products, dependable service, and a simple shopping experience for your everyday needs.

Our Categories

  • Generators
  • Pressure Washers
  • Sheds
  • Snow Blower
  • Lawn Mowers

Quick Links

  • Home
  • Shop
  • Track Order
  • About Us
  • Contact Us

Our Policy

  • Privacy Policy
  • Shipping Policy
  • Refund and Returns Policy
  • Terms of Service

Contact Information

  • +1 (918) 459-0999
  • support@oklahomapowerequipment.com
  • 5829 S Garnett Rd, Tulsa, OK 74146, United States
© 2026 Oklahoma Outdoor Power Equipment. All rights reserved.
payments
  • Menu
  • Categories
  • New & Used Engines
  • Outdoor Spaces
  • Portable Generators
  • Ride Mowers
  • Sheds
  • Walk-Behind Lawn Mowers
  • Home
  • Shop
  • About us
  • Contact us
  • Wishlist
  • Compare
  • Login / Register
Shopping cart
Close
Sign in
Close

Lost your password?

No account yet?

Create an Account
Shop
Wishlist
0 items Cart
My account