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SP383 Crate Engine – Chevrolet Performance SP383 EFI Turn-Key Crate Engine

$12,761.44

  • 450hp @ 5,800 rpm/436 lb.-ft. @ 4,800 rpm
  • Forged Steel Crank in a Four-bolt Main Block
  • Fast Burn Aluminum Cylinder Heads
  • Port-style Injection System
Due to world events we are working with our manufacturers every day to ship and receive parts. If the part you are looking for is time sensitive please give our team a call at 855-806-1147 before ordering to ensure it's availability.

Have your engine dyno tested by one of our professional engine builders to ensure everything is properly broken in. We can dyno your engine with your components to make sure everything is working harmoniously before shipping you the whole assembly drained and ready to install.

Shipping is free, but there is a delivery fee for residential addresses.

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SP383 EFI Turn Key Crate Engine

Get the mighty pull of Chevy’s classic 383 “Stroker” engine combined with the precision of modern fuel injection!

Chevrolet Performance’s SP383 EFI Turn Key kit offers the strong pull of the proven 383 “stroker” combination and the contemporary convenience of electronic fuel injection, delivered with most of the engine accessories required to get the engine running in your project vehicle.

The SP383 EFI incorporates a port-style injection system, with the injectors plumbed in a carburetor-style intake manifold, and the throttle body mounted in the conventional position of the carburetor, which allows for a traditional air cleaner and a classic appearance. It’s rated at 450 horsepower and a stout 436 lb.-ft. of torque.

Karl’s Kustoms is here to help you make your next build the best it can be, as a top-rated retailer of Chevy performance engines, parts, and accessories, and over 40 years of dedication to GM performance.

Get a more in-depth look at the SP383 EFI Turn-Key Crate Engine here.

What’s Included

Our comprehensive Turn-Key assembly is delivered with the distributor and damper installed. The throttle body, starter, air conditioning pump, alternator, single-belt front-end accessory drive system and the itmes listed below are also included in the kit:

  • EFI Throttle body
  • Starter
  • Fuel pump
  • Air conditioning pump
  • Alternator
  • Single-belt front-end accessory drive system
  • Crate engine kit includes pre-programmed, self-learning control system
  • Comes with a 12.750″ externally balanced, 153-tooth automatic transmission flexplate. An externally balanced flywheel is required for manual transmission applications.

Important Notes

  • Crate engine kit includes pre-programmed, self-learning control system
  • Come with a 12.750″ externally balanced, 153-tooth automatic transmission flexplate. An externally balanced flywheel is required for manual transmission applications.
  • Not intended for marine applications
Brand

Replaces/Supersedes

19419199

SP383 EFI Tech Specs

  • Engine Type: Chevy Small-Block V-8
  • Displacement (cu in): 383
  • Bore x Stroke (in): 4.005 x 3.800
  • Block: Cast iron with 4-bolt main caps (P/N 88962516)
  • Crankshaft: Forged steel (P/N 12489436)
  • Connecting Rods: Heavy-duty forged steel (P/N 19355754)
  • Pistons: Hypereutectic aluminum (P/N 12499103)
  • Camshaft Type: Steel hydraulic roller (P/N 10185071)
  • Valve Lift (in): .474 intake / .510 exhaust
  • Camshaft Duration (@.050 in): 208 intake / 221° exhaust
  • Cylinder Heads: Fast Burn aluminum; 62cc chambers (P/N 19300955)
  • Valve Size (in): 2.000 intake / 1.550 exhaust
  • Compression Ratio: 9.72:1 (nominal)
  • Rocker Arms: Aluminum roller style (P/N 19210724)
  • Rocker Arm Ratio: 1.5:1
  • Recommended Fuel: Premium pump
  • Ignition Timing: 36° Total at 4,000 rpm
  • Maximum Recommended rpm: 6,000
  • Balanced: External
  • Flexplate: 12.750″ (P/N 14088765)

Click here to download installation information.

Chevrolet Performance Crate Engines carry a 24 Month or 50,000 mile warranty (whichever comes first) when installed by a qualified independent service center. Chevrolet Performance Crate Engines also come with a 30 day start up warranty (parts only).

There are some additional limitations on the warranty – please see the official GM warranty documentation for more information.

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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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