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Bought Engine new for a project that never got completed. This is Gm Performance Crate Engine Package Complete Motor with LS7 Intake, Ignition, Headers, Etc. Also Includes Computer and Full Factory Wiring Harness The Chevrolet LSX 454 crate engine is a crowd favorite. It’s known for its high performance and reliability. With an output of 627 horsepower, this engine will give your ride the power it needs. From resto-mods to purpose-built track cars, GM Chevrolet performance LSX 454 long block crate engines from JEGS are a great choice. What Are Chevrolet LSX 454 Crate Engine Common Pros and Cons? The Chevrolet LSX 454 Crate Engine’s main selling points are incredible horsepower and torque figures. The forged rotating assembly is another selling point that will have Chevrolet LSX 454 Crate Engine fans drooling. Or course, there’s a price to pay for it. Which Chevrolet LSX 454 Crate Engine Are Best? The complete 454 LSX 454 Crate engine kit is excellent for those doing a retrofit or building a new car from scratch. JEGS also covers you if you are looking for a classic car 454ci swap. The LSX454R features a high-compression (13.1:1), solid-roller combination that uses new LSX DR 11-degree cylinder heads (part number 19166979). The heads represent the full-race LSX head from Chevrolet Performance and are designed for the high-rpm, full-throttle use of racing. Their cavernous, 316-cfm rectangular intake runners flow 430 cfm at 0.800-inch lift (with 28 inches of water restriction), providing even greater volume than the already-large LS7 intake ports. Large 2.25-inch intake valves and 1.625-inch exhaust valves contribute to their tremendous airflow. The LSX DR heads boast the LSX family’s signature six-bolt-per-cylinder head bolt design, which provides exceptional clamping strength, and they are matched on the engine with an exclusive, all-new high-rise open-plenum intake manifold and a Holley 1,150-cfm Dominator carburetor. The intake is designed expressly for high-rpm, large-displacement racing engines and incorporates two rows of cast-in injector/nitrous bosses. Additional specifications and features of the LSX454R include: Mechanical roller camshaft with .738/.738-inch lift (intake and exhaust) and 250/270-degree duration (intake and exhaust) Shaft-mounted, 1.9-ratio rocker arms with needle bearing fulcrums and tips 7,100-rpm maximum engine speed 58X ignition wheel LSX eight-bolt crankshaft flange Requires LSX ignition controller part number 19171130 Racing gas of at least 110 octane is recommended for the LSX454. Thanks, Gary
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