Description
Chevrolet Performance LSX 454 Long Block Crate Engine (19417357) – Legendary LS Power with Big Block Strength!
Unleash extreme horsepower with the Chevrolet Performance LSX 454 Long Block Crate Engine!
The Chevrolet Performance LSX 454 Long Block Crate Engine (19417357) is built for serious performance enthusiasts, featuring a race-ready reinforced LSX block, CNC-machined aluminum cylinder heads, and a high-lift camshaft for aggressive performance. This long block provides a solid foundation for high-horsepower applications, allowing you to customize your fuel system, induction, and accessories to suit your build.
A modern monster with big block displacement and LS performance!
⚠️ Not designed for marine applications. No warranty applies for vehicles registered outside the U.S. Requires aftermarket coil brackets.
What’s Included in the Long Block?
✅ LSX Cast-Iron Engine Block – Reinforced for high-boost and extreme horsepower applications
✅ Aluminum Cylinder Heads – Enhances high-RPM airflow and heat management
✅ Hydraulic Roller Camshaft – Delivers aggressive lift and duration for maximum power
✅ High-Strength 8-Bolt Crankshaft – Designed for high-horsepower loads and forced induction setups
✅ Timing Cover & Valve Covers – Protects internal components for long-term reliability
✅ Harmonic Balancer – Ensures smooth operation at high RPMs
⚠️ EXCLUDES intake manifold, throttle body, oil pan, water pump, wiring harness, and electronics. These must be purchased separately or transferred from an existing setup.
Technical Specifications
| Feature | Details |
|---|---|
| Brand | Chevrolet Performance |
| Manufacturer’s Part # | 19417357 |
| Product Type | Crate Engine |
| Summit Racing Part # | NAL-19417357 |
| Crate Engine Family | Chevy LS |
| Actual Displacement | 7.4L / 454 cubic inches |
| Assembled? | ✅ Yes |
| Engine Block Material | Cast Iron (LSX) |
| Cylinder Head Material | Aluminum |
| Compression Ratio | Varies based on induction setup |
| 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? | ❌ No |
| 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 |
Designed for extreme performance, reliability, and LS-based power!
Fitment & Compatibility
✔ Direct fit for LS-based builds, custom restomods, and extreme street machines
✔ Ideal for high-horsepower turbocharged or supercharged applications
✔ Designed for pre-1976 street vehicles and off-road builds
Ensure proper drivetrain and fuel system compatibility before ordering!
Installation Notes & Recommendations
Professional Installation Recommended – Ensures correct fitment, tuning, and performance
⚙️ Requires Custom Fuel System & Electronics – Intake manifold, ECU, and wiring harness must be added
Built for High-Performance Applications – Requires an aftermarket oil pan and accessory drive system
⚠️ Not designed for stock LS swaps without additional components.
❓ Frequently Asked Questions (FAQ)
What is the horsepower and torque potential of this engine?
- The LSX 454 can support 600+ HP naturally aspirated and over 1,000 HP with forced induction.
Is this engine suitable for street use?
- Yes! This engine is designed for high-performance street and track applications but requires proper fuel system and ECU tuning.
Does it come with a flywheel and oil pan?
- No, these components are NOT included. You must purchase them separately based on your setup.
Can I install this engine in a classic muscle car?
- Yes! This Chevy LSX engine is an ideal upgrade for classic Camaro, Chevelle, Nova, Corvette, and other high-performance builds.
Does this engine require a specific fuel type?
- Yes, premium fuel (91 octane or higher) is recommended for optimal performance.
Order Your Chevrolet Performance LSX 454 Long Block Engine Today!
Upgrade your high-performance build with the legendary Chevrolet Performance LSX 454 Long Block Crate Engine!
✔ Modern LSX-Based 454 for Maximum Power
✔ Reinforced Block for Boosted & High-Horsepower Builds
✔ Ideal for Classic Chevy Restorations and High-Performance Street Builds
✔ Built for Maximum Durability, Strength, and Tunability
ORDER NOW & BUILD YOUR LSX MONSTER!
Brand: Chevrolet Performance
Manufacturer’s Part Number: 19417357
Part Type: Crate Engines
Product Line: Chevrolet Performance LSX 454 Long Block Crate Engines
Summit Racing Part Number: NAL-19417357
Crate Engine Family: Chevy LS
Actual Engine Displacement: 7.4L/454
Crate Engine Cylinder Head Material: Aluminum
Engine Block Material: Cast iron
Assembled: Yes
Engine Balance: Internal
Cam Style: Hydraulic roller, OE roller
Rear Main Seal Style: 1-piece
Intake Manifold Included: No
Cylinder Heads Included: Yes
Carburetor Included: No
Throttle Body Included: No
Distributor Included: No
Oil Pan Included: No
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.
Notes: This engine has the LSX 8-bolt crank flange. Assembly does not include any electronics or an oil pan. This engine is not designed, nor intended to be used in any marine applications. Designed for pre-1976 street vehicles or any off-road vehicle. Engines installed in vehicles registered and normally operated outside of the United States carry no warranty. Aftermarket or custom coil brackets must be used.
