
Chevrolet Performance
Chevrolet Performance LS3 525 HP Long Block Crate Engines 19432629
SKU: c7f950f0dc15
$6,499.77
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Chevrolet Performance LS3 525 HP Long Block Crate Engine (19432629) – The Ultimate LS Power Upgrade!
Unleash track-ready performance with the Chevrolet Performance LS3 525 HP Long Block Crate Engine!
The Chevrolet Performance LS3 525 HP Long Block Crate Engine (19432629) is a high-output version of the proven LS3 , featuring a hot camshaft, CNC-machined aluminum cylinder heads, and an optimized fuel injection system . This engine provides high-revving capability, aggressive throttle response, and excellent reliability , making it a perfect choice for performance enthusiasts .
A modern V8 legend ready for the street or track!
What’s Included in the Long Block?
✅ Aluminum LS3 Engine Block – Lightweight, durable, and optimized for performance applications ✅ CNC-Machined Aluminum Cylinder Heads – Enhances airflow and combustion efficiency ✅ High-Lift Hydraulic Roller Camshaft – Delivers increased RPM range and aggressive sound ✅ Fuel Injection System with Throttle Body – Provides modern EFI drivability and efficiency ✅ Water Pump & Timing Cover – Ensures proper cooling and camshaft operation ✅ Oil Pan & Valve Covers – Protects internal components and enhances durability ✅ Harmonic Balancer – Maintains smooth engine operation at high RPMs ✅ Spark Plugs Included – Optimized for high-performance ignition
⚠️ EXCLUDES flywheel, flexplate, wiring harness, and ECU. These must be purchased separately or transferred from an existing setup.
Technical Specifications
Feature
Details
Brand
Chevrolet Performance
Manufacturer’s Part #
19432629
Product Type
Crate Engine
Summit Racing Part #
NAL-19432629
Crate Engine Family
Chevy LS
Actual Displacement
6.2L / 376 cubic inches
Assembled?
✅ Yes
Engine Block Material
Aluminum
Cylinder Head Material
Aluminum
Compression Ratio
10.7:1
Engine Balance
Internal
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?
❌ No
Oil Pan Included?
✅ Yes
Valve Covers Included?
✅ Yes
Timing Cover Included?
✅ Yes
Water Pump Included?
✅ Yes
Harmonic Balancer Included?
✅ Yes
Flexplate Included?
❌ No
Flywheel Included?
❌ No
Air Cleaner Included?
❌ No
Spark Plugs Included?
✅ Yes
Spark Plug Wires Included?
❌ No
Computer Included?
❌ No
Wiring Harness Included?
❌ No
Supercharger Included?
❌ No
Quantity
Sold Individually
Built for high-revving performance, aggressive sound, and LS reliability!
Fitment & Compatibility
✔ Direct fit for LS swaps, custom muscle cars, and high-performance vehicles ✔ Designed for modern EFI fuel systems ✔ Perfect for pro-touring, track cars, and restomod builds
Ensure proper drivetrain and ECU compatibility before ordering!
Installation Notes & Recommendations
Professional Installation Recommended – Ensures correct fitment, tuning, and peak performance ⚙️ Requires EFI-Compatible Fuel System & ECU – Ensure your vehicle is equipped for electronic fuel injection Premium Fuel Required – 91 octane or higher recommended for optimal performance
⚠️ Not designed for carbureted fuel systems without modifications.
❓ Frequently Asked Questions (FAQ)
What is the horsepower and torque output of this engine?
The LS3 525 produces 525 HP at 6,300 RPM and 486 lb-ft of torque at 4,400 RPM .
Is this engine suitable for street use?
Yes! This engine is designed for street performance, restomods, and track cars .
Does it come with a flywheel and wiring harness?
No, these components are NOT included. You must purchase them separately based on your setup.
Can I install this engine in a classic Chevy muscle car?
Yes! This Chevy LS engine is an ideal upgrade for classic Camaro, Chevelle, Corvette, Nova, and other high-performance builds .
Does this engine require a specific fuel type?
Yes, premium fuel (91 octane or higher) is recommended due to its 10.7:1 compression ratio .
Order Your Chevrolet Performance LS3 525 HP Long Block Crate Engine Today!
Upgrade your LS swap or muscle car with the Chevrolet Performance LS3 525 HP Long Block Crate Engine!
✔ Modern LS3 Power with 525 HP & 486 lb-ft Torque ✔ Complete Assembly with EFI Intake, Throttle Body, & Accessories ✔ Ideal for Classic Chevy Restorations and High-Performance Builds ✔ Built for Maximum Power, Reliability, and Tunability
ORDER NOW & EXPERIENCE LS PERFORMANCE!
Brand: Chevrolet Performance
Manufacturer’s Part Number: 19432629
Part Type: Crate Engines
Product Line: Chevrolet Performance LS3 525 HP Long Block Crate Engines
Summit Racing Part Number: NAL-19432629
Crate Engine Family: Chevy LS
Actual Engine Displacement: 6.2L/376
Crate Engine Cylinder Head Material: Aluminum
Engine Block Material: Aluminum
Advertised Compression Ratio: 10.7:1
Assembled: Yes
Engine Balance: Internal
Cam Style: Hydraulic roller, OE roller
Rear Main Seal Style: 1-piece
Intake Manifold Included: Yes
Intake Manifold Style: Fuel Injection
Cylinder Heads Included: Yes
Carburetor Included: No
Throttle Body Included: Yes
Distributor Included: No
Oil Pan Included: Yes
Valve Covers Included: Yes
Timing Cover Included: Yes
Water Pump Included: Yes
Harmonic Balancer Included: Yes
Flexplate Included: No
Flywheel Included: No
Air Cleaner Included: No
Spark Plugs Included: Yes
Spark Plug Wires Included: No
Computer Included: No
Wiring Harness Included: No
Supercharger Included: No
Quantity: Sold individually.
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