$275 Shipping
$275 Shipping
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#491GMLS9003
$23,853.95
/each
Factory Shipped
Quantity
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| Crate Engine Type | Long Block |
| Compression Ratio | 10.7:1 |
| Engine Displacement | 376 cu. in. |
| Camshaft Type | Hydraulic Roller Tappet |
| Cylinder Head Material | Aluminum |
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855.313.9176Quick and Easy Returns
Return PolicyAll of our LS Classic components are available, installed, on one of our Classic Crate Engines. We start with a brand new, GM 495 horse power LS3 right out of the box and with a two year warranty. We then paint it orange (if you so desire) and begin assembling your desired components until we have the perfect crate engine for your project. Once completely assembled we put the engine on our in-house run stand, load your Holley EFI ECU with our start-up tune, and run your engine to check for leaks and oil pressure. After we are satisfied that your engine will operate with no issues, we put it back in the original GM crate and ship it directly to you or your builder. Once you receive your engine it is as simple as installing the engine, routing the Holley wiring harness, terminating a couple of power and ground wires, and putting fuel pressure to the engine. We guarantee an easy start up!
All Crate Engines include:
GMLS9003 14" Classic Crate Engine, unpainted, with cast finish Small Block Chevy Valve Covers
For all technical/repair/warranty product questions or needs, please contact LS Classic directly. For all other inquiries regarding shipping and delivery information, please contact the Speedway Motors Customer Experience Center.
For race/ off road use or for use on pre-1966 vehicles.
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | GMLS9003 |
| Brand | Modern Classic |
| Crate Engine Type | Long Block |
| Compression Ratio | 10.7:1 |
| Engine Displacement | 376 cu. in. |
| Camshaft Type | Hydraulic Roller Tappet |
| Cylinder Head Material | Aluminum |
| Piston Material | Hypereutectic Aluminum |
| Crankshaft Material | Nodular Iron |
| Carburetor Included | No |
| Intake Manifold Included | Yes |
| Distributor Included | No |
| Connecting Rod Material | Powdered Metal |
| Valve Covers Included | Yes |
| Engine Balance | Internal |
| Cylinder Heads Included | Yes |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | Yes |
| Timing Cover Included | Yes |
| Oil Pan 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 |
| Reluctor Wheel | 58x |
| Accessory Bolt Holes Drilled | Yes |
| Recommended Fuel | Premium |
| GENERAL | |
| Torque | 473 ft./lbs. |
| Horsepower | 495 horsepower |
| Maximum RPM | 6,600 |
| Combustion Chamber Volume | 68cc |
| Camshaft Duration (.050 in) | 219° intake / 228° exhaust |
| Camshaft Lift (in) | .525 intake / .525 exhaust |
| Bore x Stroke (in) | 4.065 x 3.622 (103.25 x 92mm) |
| Assembled | Yes |
| Cylinder Head Style | Assembled |
| Intake Valves Included | Yes |
| Intake Valve Diameter | 2.165" |
| Exhaust Valves Included | Yes |
| Exhaust Valve Diameter | 1.59" |
| Valve Spring Included | Yes |
| Rocker Arm Studs Included | Yes |
| Rocker Arms Included | Yes |
| Heat Crossover | Yes |
| Head Gaskets Included | Yes |
| Intake Style | Electronic Fuel Injection |
| Intake Finish | Natural |
| Intake Material | Aluminum |
| Intake Gaskets Included | Yes |
| Intake Manifold Fasteners Included | Yes |
| Camshaft Included | Yes |
| Intake Duration (.050" Lift) | 219° |
| Exhaust Duration (.050" Lift) | 228° |
| Lifters Included | Yes |
| Cylinder Heads | Aluminum L92-style port; "as cast" with 68-cc chambers |
| Valve Size (in) | 2.165 intake / 1.590 exhaust |
| Rocker Arms | Investment-cast, roller trunnion |
| Rocker Arm Ratio | 1.7:1 |
| Maximum Recommended RPM | 6600 |
| Internally Balanced | Yes |
| Displacement | 376 (6.2L) |
| Block | Cast-aluminum with six-bolt, cross-bolted main caps |
| Pistons | Hypereutectic Aluminum |
| GTIN Code | 847087045278 |
| Notes | Engine does not include starter or front engine accessory drive. Engine harness requires installation. Valve covers do not have provisions for mounting ignition coils - remote mounting is required. Includes cast finish SBC style valve covers and round chrome air cleaner. Engine is unpainted. |
| Sold in Quantity | Each |
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