Chevrolet Performance L8T 6.6L 401 C.I.D Engine Assemblies 19433748

$7,987.00

Crate Engine, L8T, Gen V, 6.6L, 401hp, 464tq, Each

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Overview

Brand: Chevrolet Performance
Manufacturer’s Part Number: 19433748
Part Type: Crate Engines
Product Line: Chevrolet Performance L8T 6.6L 401 C.I.D Engine Assemblies
Summit Racing Part Number: NAL-19433748
Crate Engine Family: Chevy LT Gen V
Actual Engine Displacement: 6.6L/401
Crate Engine Cylinder Head Material: Cast iron
Engine Block Material: Aluminum
Advertised Compression Ratio: 10.8:1
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: Yes
Flywheel Included: No
Air Cleaner Included: No
Spark Plugs Included: Yes
Spark Plug Wires Included: Yes
Computer Included: Yes
Wiring Harness Included: Yes
Supercharger Included: No
Remanufactured: No
Quantity: Sold individually.
Notes: Front accessory drive must be ordered separately, part number NAL-19433745 with air conditioning, NAL-19433746 without air conditioning.

Chevrolet Performance L8T 6.6L 401 C.I.D Engine Assemblies

Chevrolet Performance L8T 6.6L 401 c.i.d. engine assemblies feature 401 hp and 464 lbs.-ft. of torque—the largest displacement Gen V LT family engine in the company’s lineup. Direct injection offers more precise fuel control than port injection, enabling a comparatively high compression ratio of 10.8:1 in the engine, which contributes to its high output. These crate engines are built with a forged steel crankshaft and other high-strength parts. Additional features such as oil spray cooling for the pistons and a cast iron, long-skirt cylinder block with 6-bolt, cross-bolted main caps contribute to the engines’ strength and durability. Production style exhaust manifolds are included. The L8T crate engine package comes complete from the throttle body to the oil pan, including the PVC tube, evap tube, oil dipstick, and oil fill tube and cap. It does not include the controller, harness, oxygen sensors, or a front-end accessory drive system.

Product notes:

* Engine is shipped with high-pressure direct-injection fuel pump installed
* Front-end accessory drive system must be ordered separately and includes hydraulic power steering, with center pulley. Pulley-mounted fan not recommended.
* Use front-end accessory drive system P/N 19433745 for applications with air conditioning and front-end accessory drive system P/N 19433746 for applications without air conditioning.
* Includes 8-bolt flexplate for automatic transmissions
* Used with Engine Control Kit 19433736 (must use 6L80 transmission). Includes programmed controller, wire harness, pedal, oxygen sensors and mounts, MAF, fuel line pressure sensor, and fuel pump power module.

Specifications:

* Engine: Wet sump L8T Gen 5 6.6L
* Horsepower: 401 hp at 5,200 rpm
* Torque: 464 lbs.-ft. at 4,000 rpm
* Compression ratio: 10.8:1
* New Block: L8T cast iron 6-bolt 4.060 in. bore
* Crankshaft: Forged steel, 3.860 in. stroke
* Heads: 12703610 cast aluminum, 59.02cc
* Valves: 2.130 in. hollow intake / 1.590 in. Inconel exhaust
* Camshaft lift: Hydraulic roller 0.500 in. / 0.492 in.
* Duration at 0.050 in.: 193 degrees / 199 degrees
* Rocker arm ratio: 1.8
* Max RPM: 5600
* Stroke (in.): 3.860
* Heads, chamber size: Aluminum Gen V LT, 59.02cc
* Cylinder bore diameter: 4.060

 

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