LS Classic GMLS9003 14 in. Classic Vintage Edition 6.2L
LS Classic GMLS9003 14 in. Classic Vintage Edition 6.2L offers professional 6.2L performance featuring vintage styling combined with modern aluminum heads and an aluminum block for high-power builds.
- Stroker Volume: 6.2L / 376 CID.
- Main Foundation: Aluminum Engine Block material.
- Head Material: Aluminum performance head material.
- Induction Style: Fuel Injection intake included.
- Compression Spec: Technical 10.7:1 compression ratio.
Warranty: 24 months or 50,000 miles.
Description
LS Classic GMLS9003 6.2L 376 CID Aluminum Vintage Edition Crate Engine
This LS Classic GMLS9003 combines 6.2L modern performance with specialized vintage architecture, utilizing an aluminum block and heads for maximum mechanical integrity. The 10.7:1 compression ratio and OE roller cam style facilitate high volumetric efficiency and stable valvetrain operation. This internally balanced assembly is engineered for builders requiring modern EFI power within a footprint that replicates the look of classic 1950s and 60s powerplants.
Constructed with an aluminum block and heads, this fuel-injected LS engine fits Chevrolet Corvette 1953-1967, Chevrolet Bel Air 1955-1957, and Chevrolet Impala 1958-1964. The modular 376 CID displacement ensures precise powertrain integration for these specific vintage Chevrolet models, utilizing the included wiring harness and computer to manage modern fuel injection while preserving the iconic 14-inch classic air cleaner profile.
Key Technical Features of GMLS9003
- 6.2L Displacement provides modern high-output power in vintage platforms
- Aluminum Block and Heads optimize front-end weight distribution
- 10.7:1 Compression Ratio supports efficient combustion on pump gas
- Fuel Injection System ensures accurate fueling and cold-start reliability
- OE Roller Camshaft reduces internal friction and valvetrain wear
- Internal Engine Balance maintains smooth operation across RPM range
- 14-Inch Air Cleaner delivers a period-correct retro appearance
- Computer and Harness Included simplify electronic engine management integration
- Flexplate Included ensures compatible automatic transmission powertrain connection
- One-Piece Rear Seal prevents traditional oil leaks at crankshaft
Included Components:
- Intake Manifold
- Throttle Body
- Oil Pan
- Valve Covers
- Timing Cover
- Harmonic Balancer
- Flexplate
- Air Cleaner
- Spark Plugs
- Computer
- Wiring Harness
Upgrade your project with professional-grade reliability and peace of mind. This assembly includes a 24 months or 50,000 miles limited warranty. View our full lineup of performance-engineered 6.2L assemblies to find the perfect match. Experience superior powertrain integration precision with this LS Classic assembly, designed for premium performance.
LS Classic Series GMLS9003 14 in. Classic Crate Engine Specs
| Brand | LS Classic |
| Engine Model | GMLS9003 |
| Part Type | Crate Engines |
| Product Line | LS Classic Series 14 in. Classic Crate Engines |
| UPC | 847087045278 |
| Crate Engine Family | Chevy LS |
| Actual Engine Displacement | 6.2L / 376 C.I.D. |
| 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 | No |
| Harmonic Balancer Included | Yes |
| Flexplate Included | Yes |
| Flywheel Included | No |
| Air Cleaner Included | Yes |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | No |
| Computer Included | Yes |
| Wiring Harness Included | Yes |
| Supercharger Included | No |
| Warranty Info | 24 months or 50,000 miles |
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