Chevrolet Performance SP383 EFI Turnkey Long Block Crate Engine (19433046) – High-Performance Fuel-Injected Small Block!

Unleash the power of modern fuel injection with the Chevrolet Performance SP383 EFI Turnkey Long Block Crate Engine!

The Chevrolet Performance SP383 EFI Turnkey Long Block Crate Engine (19433046) is a modern take on the legendary 383 stroker, combining EFI technology, aluminum heads, and a high-performance camshaft to create an engine with more torque, better fuel economy, and enhanced drivability.

A fuel-injected powerhouse built for today’s muscle car enthusiasts!

What’s Included in the Turnkey Long Block?

Cast-Iron Engine Block – Built for durability and high-performance applications
Aluminum Cylinder Heads – Reduces weight and improves cooling efficiency
EFI Throttle Body & Intake Manifold – Ensures modern fuel delivery and throttle response
Hydraulic Roller Camshaft – Provides high-rpm capability with smooth operation
Distributor & Ignition System – Includes high-performance ignition for reliable spark delivery
Flexplate & Harmonic Balancer – Maintains smooth engine operation and reduces vibrations
Water Pump & Timing Cover – Ensures proper cooling and camshaft timing
Oil Pan & Valve Covers – Protects internal components and enhances durability
Computer & Wiring Harness – Ensures seamless EFI integration
Spark Plugs & Wires – Optimized for high-performance ignition and combustion efficiency

EXCLUDES flywheel, air cleaner, and supercharger. These must be purchased separately based on your vehicle setup.

Technical Specifications

Feature	Details
Brand	Chevrolet Performance
Manufacturer’s Part #	19433046
Product Type	Crate Engine
Summit Racing Part #	NAL-19433046
Crate Engine Family	Chevy Small Block
Actual Displacement	6.3L / 383 cubic inches
Assembled?	Yes
Engine Block Material	Cast Iron
Cylinder Head Material	Aluminum
Advertised Compression Ratio	9.72:1
Engine Balance	External
Camshaft Type	Hydraulic Roller
Rear Main Seal Style	1-Piece
Intake Manifold Included?	Yes
Intake Style	Fuel Injection
Carburetor Included?	No
Throttle Body Included?	Yes
Distributor Included?	Yes
Oil Pan Included?	Yes
Valve Covers Included?	Yes
Timing Cover Included?	Yes
Water Pump Included?	Yes
Harmonic Balancer Included?	Yes
Flexplate Included?	Yes
Flywheel Included?	No
Air Cleaner Included?	No
Spark Plugs Included?	Yes
Spark Plug Wires Included?	Yes
Computer Included?	Yes
Wiring Harness Included?	Yes
Supercharger Included?	No
Quantity	Sold Individually