In Stock
Chevrolet Performance LSX 454 Long Block Crate Engines 19417357
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
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 BlockReinforced for high-boost and extreme horsepower applications
Aluminum Cylinder HeadsEnhances high-RPM airflow and heat management
Hydraulic Roller CamshaftDelivers aggressive lift and duration for maximum power
High-Strength 8-Bolt CrankshaftDesigned for high-horsepower loads and forced induction setups
Timing Cover & Valve CoversProtects internal components for long-term reliability
Harmonic BalancerEnsures 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 RecommendedEnsures correct fitment, tuning, and performance
Requires Custom Fuel System & ElectronicsIntake manifold, ECU, and wiring harness must be added
Built for High-Performance ApplicationsRequires 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!
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns