Description
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 |
Designed for fuel efficiency, reliability, and high-performance driving!
Fitment & Compatibility
✔ Direct fit for classic Chevy muscle cars, hot rods, and modern restomods
✔ Designed for easy integration with EFI-compatible fuel systems
✔ Ideal for street-driven performance applications
Ensure proper drivetrain and fuel system compatibility before ordering!
Installation Notes & Recommendations
Professional Installation Recommended – Ensures correct fitment, tuning, and performance
⚙️ Proper Engine Break-In Procedure Required – Maximizes lifespan and peak efficiency
Requires EFI-Compatible Fuel System – Ensure your vehicle’s fuel system can support electronic fuel injection
⚠️ Not designed for carbureted fuel systems without modifications.
❓ Frequently Asked Questions (FAQ)
What is the horsepower and torque output of this engine?
- The SP383 EFI produces over 450 HP and 436 lb-ft of torque.
Is this engine suitable for street use?
- Yes! This engine is designed for street performance, restomods, and daily-driven classic muscle cars.
Does it come with a flywheel and air cleaner?
- No, these components are NOT included. You must purchase them separately based on your vehicle setup.
Can I install this engine in a classic Chevy muscle car?
- Yes! This Chevy Small Block is an ideal upgrade for classic Chevelle, Camaro, Nova, Corvette, and other high-performance builds.
Does this engine require a specific fuel type?
- Yes, it requires premium fuel (91 octane or higher) due to its 9.72:1 compression ratio.
Order Your Chevrolet Performance SP383 EFI Turnkey Long Block Engine Today!
Upgrade your classic Chevy with the modern performance of the Chevrolet Performance SP383 EFI Turnkey Long Block Crate Engine!
✔ Fuel-Injected Small Block with Over 450 HP
✔ Complete Turnkey Assembly for Easy Installation
✔ Ideal for Classic Chevy Restorations and High-Performance Street Builds
✔ Built for Maximum Power, Reliability, and Efficiency
ORDER NOW & EXPERIENCE EFI PERFORMANCE!
Reviews
There are no reviews yet.