Description
High-Performance Chevrolet LQ9 Crate Engine – The Ultimate LS Upgrade
The Chevrolet Performance LQ9 Crate Engine is one of the most popular LS engines for sale, trusted by enthusiasts who want high horsepower, a broad torque band, and easy retrofitting. Built with premium GM engineering, the LQ9 combines durability with modern performance, making it a top choice for muscle cars, trucks, SUVs, and custom street builds.
Why Choose the LQ9 Crate Engine?
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Excellent Performance – High-output design with proven reliability.
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Broad Torque Band – Delivers responsive acceleration and smooth drivability.
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Fuel Injection Ready – Designed for modern EFI setups to maximize efficiency.
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Retrofit Friendly – Direct fit into Gen III LS-equipped vehicles with minimal modifications.
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Customizable Induction – Supports custom or factory induction components.
Chevrolet Performance LQ9 Engine Specs
| Specification | Details |
|---|---|
| Part Number | 19370163 |
| Engine Type | Performance LQ9 long block |
| Displacement | 364 cu in (6.0L) |
| Bore x Stroke | 4.000″ x 3.622″ |
| Block Material | Cast iron with 6-bolt main caps |
| Crankshaft | Nodular iron |
| Connecting Rods | Powdered metal |
| Pistons | Hypereutectic aluminum |
| Camshaft Type | LS6 hydraulic roller (P/N 12565308) |
| Valve Lift | 0.550″ intake/exhaust |
| Cam Duration (@.050″) | 204° intake / 218° exhaust |
| Cylinder Heads | LS3 rectangular port aluminum heads |
| Combustion Chamber | 68cc |
| Valve Size | 2.165″ intake / 1.590″ exhaust |
| Compression Ratio | 10.3:1 |
| Rocker Arms | Roller bearing trunnion (1.7:1 ratio) |
| Recommended Fuel | Premium pump gas |
| Max RPM | 6,800 RPM |
| Reluctor Wheel | 24X |
| Balance | Internal |
Easy Installation & Compatibility
This LQ9 crate engine is built with a 24X crank trigger and 1X cam trigger system, making it a drop-in replacement for 1997–2006 Gen III LS engines. You can reuse your sensors, exhaust, and mounts while upgrading to LS3-style rectangular port heads for even greater performance.
👉 To complete installation, pair with a Gen IV rectangular intake manifold (6.0L–6.2L LS engines).
Related Crate Engines
❓ Frequently Asked Questions (FAQs)
1. What vehicles can the LQ9 crate engine fit?
It’s designed for trucks, SUVs, and muscle cars, but can retrofit into nearly any LS-equipped platform.
2. What fuel type should I use?
Chevrolet recommends premium pump gas for maximum performance and reliability.
3. Does the LQ9 come with an intake manifold?
No. You’ll need a Gen IV rectangular intake manifold that matches the LS3-style cylinder heads.
4. Is the LQ9 good for racing applications?
Yes. With LS3 heads, performance camshaft, and 6,800 RPM capability, it’s well-suited for racing and track builds.
5. Where can I buy the LQ9 crate engine?
Order directly from Chevrolet Performance authorized dealers or from our Chevrolet crate engines collection.
Buy the Chevrolet Performance LQ9 Crate Engine (6.0L, 364 cu in, 10.3:1 compression). Perfect LS upgrade with LS3 heads, 400+ HP potential, and easy Gen III retrofit.
