Brand: Chevrolet Performance
Manufacturer’s Part Number: 19417357
Part Type: Crate Engines
Product Line: Chevrolet Performance LSX 454 Long Block Crate Engines
Summit Racing Part Number: NAL-19417357
Crate Engine Family: Chevy LS
Actual Engine Displacement: 7.4L/454
Crate Engine Cylinder Head Material: Aluminum
Engine Block Material: Cast iron
Assembled: Yes
Engine Balance: Internal
Cam Style: Hydraulic roller, OE roller
Rear Main Seal Style: 1-piece
Intake Manifold Included: No
Cylinder Heads Included: Yes
Carburetor Included: No
Throttle Body Included: No
Distributor Included: No
Oil Pan Included: No
Valve Covers Included: Yes
Timing Cover Included: Yes
Water Pump Included: No
Harmonic Balancer Included: Yes
Flexplate Included: No
Flywheel Included: No
Air Cleaner Included: No
Spark Plugs Included: No
Spark Plug Wires Included: No
Computer Included: No
Wiring Harness Included: No
Supercharger Included: No
Remanufactured: No
Quantity: Sold individually.
Notes: This engine has the LSX 8-bolt crank flange. Assembly does not include any electronics or an oil pan. This engine is not designed, nor intended to be used in any marine applications. Designed for pre-1976 street vehicles or any off-road vehicle. Engines installed in vehicles registered and normally operated outside of the United States carry no warranty. Aftermarket or custom coil brackets must be used.
Chevrolet Performance LSX 454 long block crate engines are built with an all-forged, super-tough rotating assembly and feature a pair of new deep-breathing LSX 6-bolt cylinder heads. They also come dressed with great looking, all-new orange powdercoated valve covers with an engraved LSX 454 logo. With a carburetor and high-flow Chevrolet Performance intake manifold (sold separately), these engines are good for about 627 hp and 586 lbs.-ft. of torque. Due to the number of application variations, the LSX 454 crate engines do not include an oil pan, and the valve covers do not include provisions for mounting the ignition coil brackets.
* 4.185 in. bore
* 4.125 in. stroke
* Cast iron LSX Series block with cross-bolted 6-bolt main caps
* Forged steel crankshaft
* Forged steel connecting rods
* Forged aluminum 11.0:1 compression pistons
* Hydraulic roller camshaft
* 0.635 in. lift intake/0.635 in. lift exhaust, 236 intake/246 exhaust duration at .050 in. lift
* Aluminum LSX-LS7 cylinder heads with 70cc chambers
* 1.8:1 aluminum roller rocker arms
* 58-tooth reluctor wheel
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