$8,644.99
In stock ready to ship
Engines & Transmissions
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SKU 2d4ac10a7455
Crate Engines$6,588.82
Freight and taxes calculated at checkout
In stock · ready to ship
30 days on used engines, transmissions and ECUs
Commercial use may carry a shorter period than pleasure use.
Warranty termsFreight — heavy / crated — from $599. Ships in 1–3 business days, 3–10 business days in transit.
Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.
Shipping rates30-day return window · 25% restocking fee plus freight both ways.
Engines or transmissions that have been disassembled or parted out cannot be returned.
Full policySecure card payment via Stripe. A deposit holds an item for 15 days.
Some engines and transmissions carry a refundable core charge, shown on the product page where it applies.
Payment termsCatalogue data
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In the seller's words
The Chevrolet Performance ZZ6 EFI Turnkey Crate Engine (19433044) combines modern electronic fuel injection (EFI) with classic small-block architecture to deliver superior throttle response, easy startup, and high-RPM stability. With 405 HP and 406 lb-ft of torque, this street-friendly powerhouse provides reliable, fuel-efficient performance while maintaining the timeless feel of a traditional small-block Chevy.
A modern EFI small-block designed for seamless performance in classic builds!
⚠️ Requires proper fuel system setup and transmission compatibility for installation.
✅ Fully Assembled 5.7L ZZ6 Small-Block V8 – Designed for classic Chevy applications
✅ Proven Fuel Injection System with Throttle Body – Ensures modern EFI power and easy startup
✅ High-Flow Aluminum Cylinder Heads – Maximizes airflow and fuel efficiency
✅ Hydraulic Roller Camshaft & Valvetrain – Provides smooth high-RPM operation
✅ Factory-Installed Distributor & Ignition System – Delivers reliable spark timing
✅ Complete Wiring Harness & ECU (Computer) – Plug-and-play for easy EFI tuning
✅ Flexplate for Automatic Transmissions – Ensures proper drivetrain compatibility
⚠️ EXCLUDES air cleaner, manual transmission flywheel, and exhaust components.
| Feature | Details |
|---|---|
| Brand | Chevrolet Performance |
| Manufacturer’s Part # | 19433044 |
| Product Type | Crate Engine |
| Summit Racing Part # | NAL-19433044 |
| Crate Engine Family | Chevy Small Block |
| Actual Displacement | 5.7L / 350 C.I.D |
| Horsepower Output | 405 HP |
| Torque Output | 406 lb-ft |
| Assembled? | ✅ Yes |
| Engine Block Material | Cast Iron |
| Cylinder Head Material | Aluminum |
| Engine Balance | External |
| Compression Ratio | 9.27:1 |
| Camshaft Type | Hydraulic Roller |
| Rear Main Seal Style | 1-Piece |
| Induction System | Fuel Injection |
| Intake Manifold Included? | ✅ Yes |
| Throttle Body Included? | ✅ Yes |
| Distributor Included? | ✅ Yes |
| Oil Pan Included? | ✅ Yes |
| Valve Covers Included? | ✅ Yes |
| Timing Cover Included? | ✅ Yes |
| Water Pump Included? | ✅ Yes (Long-Style) |
| Harmonic Balancer Included? | ✅ Yes |
| Flexplate Included? | ✅ Yes |
| Flywheel Included? | ❌ No |
| Air Cleaner Included? | ❌ No |
| Spark Plugs Included? | ✅ Yes |
| Spark Plug Wires Included? | ❌ No |
| Computer Included? | ✅ Yes |
| Wiring Harness Included? | ✅ Yes |
| Supercharger Included? | ❌ No |
| Quantity | Sold Individually |
Designed for classic Chevy swaps, street rods, and high-performance builds!
✔ Ideal for hot rods, muscle cars, and classic Chevrolet restorations
✔ Perfect for street builds requiring fuel injection reliability and smooth power
✔ Compatible with automatic transmissions (manual transmission requires a flywheel)
Ensure your vehicle’s fuel system, drivetrain, and cooling system are properly matched to this engine!
Professional Installation Recommended – Ensures correct fitment, tuning, and peak performance
⚙️ Requires Proper Fuel System (EFI-Compatible Fuel Pump & Lines) – Not included with the crate engine
High-Flow Exhaust System Recommended – Optimizes performance and efficiency
⚠️ Not emissions-certified—intended for off-road, classic restoration, and performance applications.
What is the horsepower and torque output of this engine?
Does this engine come with an ECU and wiring harness?
Can I install this engine in a classic muscle car?
What fuel does this engine require?
Does it include forced induction?
Take your classic Chevy to the next level with modern fuel injection and high-performance power!
✔ 405 HP Small-Block Chevy for Classic Muscle Cars & Performance Builds
✔ Fuel-Injected EFI System for Modern Power & Drivability
✔ Dyno-Tested & Proven for Extreme Reliability and Performance
✔ Ideal for Classic Restorations, Hot Rods, and Resto-Mods
ORDER NOW & EXPERIENCE EFI-PROVEN PERFORMANCE!
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