$8,644.99
In stock ready to ship
Engines & Transmissions
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SKU 0e5bb23bb257
Crate Engines$5,800.00
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 LS3 495 HP Long Block Crate Engine (19432424) takes the classic LS3 to the next level with an aggressive high-lift camshaft, increasing power output to 495 HP and 473 lb-ft of torque. This engine is perfect for builders who want to add their own intake, fuel system, and electronics, making it a versatile choice for performance enthusiasts.
More power, more revs, and more performance potential!
⚠️ Does not include intake manifold, throttle body, computer, or wiring harness. These must be purchased separately.
✅ Aluminum Engine Block & Heads – Provides maximum strength and lightweight performance
✅ High-Performance Hydraulic Roller Camshaft – Features aggressive lift and duration for increased horsepower
✅ Precision-Machined Cylinder Heads – Optimized for high airflow and efficiency
✅ Harmonic Balancer – Ensures smooth engine operation
✅ Timing Cover & Valve Covers – Protects internal components and enhances durability
✅ Oil Pan Included – Ready for installation into your vehicle
⚠️ EXCLUDES intake manifold, throttle body, water pump, fuel injectors, computer, wiring harness, and ignition components.
| Feature | Details |
|---|---|
| Brand | Chevrolet Performance |
| Manufacturer’s Part # | 19432424 |
| Product Type | Crate Engine |
| Summit Racing Part # | NAL-19432424 |
| Crate Engine Family | Chevy LS |
| Actual Displacement | 6.2L / 376 cubic inches |
| Assembled? | ✅ Yes |
| Engine Block Material | Aluminum |
| Cylinder Head Material | Aluminum |
| Advertised Compression Ratio | 10.7:1 |
| Engine Balance | Internal |
| Camshaft Type | Hydraulic Roller |
| Rear Main Seal Style | 1-Piece |
| Intake Manifold Included? | ❌ No |
| Carburetor Included? | ❌ No |
| Throttle Body Included? | ❌ No |
| Distributor Included? | ❌ No |
| Oil Pan Included? | ✅ Yes |
| Valve Covers Included? | ✅ Yes |
| Timing Cover Included? | ✅ Yes |
| Water Pump Included? | ❌ No |
| Harmonic Balancer Included? | ✅ Yes |
| Flexplate Included? | ❌ No |
| Flywheel Included? | ❌ No |
| Air Cleaner Included? | ❌ No |
| Spark Plugs Included? | ❌ No |
| Spark Plug Wires Included? | ❌ No |
| Computer Included? | ❌ No |
| Wiring Harness Included? | ❌ No |
| Supercharger Included? | ❌ No |
| Quantity | Sold Individually |
Built for extreme performance, high RPMs, and maximum efficiency!
✔ Direct fit for custom builds, classic muscle cars, and high-performance applications
✔ Designed for seamless integration with aftermarket fuel injection or carburetor systems
✔ Perfect for engine swaps, pro-touring projects, and drag racing builds
Ensure your vehicle’s ECU, fuel system, and ignition components are compatible before ordering!
Professional Installation Recommended – Ensures correct fitment, tuning, and performance
⚙️ Requires Aftermarket Intake & Electronics – Not included with the crate engine
Requires Premium Fuel (91 Octane or Higher) – Designed for high-performance applications
⚠️ Not emissions-certified—intended for off-road or racing applications.
What is the horsepower and torque output of this engine?
What’s different between this LS3 and a stock LS3?
Does it come with a flywheel and intake manifold?
Can I install this engine in a classic Chevy muscle car?
Does this engine require a specific fuel type?
Upgrade your classic Chevy or performance build with the high-revving power of the Chevrolet Performance LS3 495 HP Long Block Crate Engine!
✔ 495 HP & 473 lb-ft of Torque for High-Performance Applications
✔ Complete Long Block Assembly with Aggressive Camshaft
✔ Ideal for Classic Chevy Restorations, Race Cars, and Custom Builds
✔ Built for Maximum Power, Durability, and High-RPM Performance
ORDER NOW & UNLEASH THE FULL POTENTIAL OF LS POWER!
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