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LSX Concepts

LSX454 Crate Engine 7.4L

Name: LSX454 Crate Engine 7.4L
Brand: LSX Concepts
SKU: 19417357

$21,707.05 $21,055.84 Save $651.21

SKU: 19417357

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Overview

The Chevrolet Performance LSX454 Crate Engine is a 454ci/7.4L LS Gen 4 engine that delivers 627 horsepower and 586 ft-lbs of torque. It features an LSX cast iron block with 6-bolt, cross-bolted main caps and an all-forged rotating assembly.

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The Chevrolet Performance LSX454 Crate Engine represents the pinnacle of LSX technology, offering big-block power in a small-block size. This 454ci (7.4L) engine is built on an LSX cast-iron block with robust 6-bolt, cross-bolted main caps, ensuring exceptional strength and durability. This crate engine boasts an impressive 627 horsepower at 6300 RPM and 586 lb-ft of torque at 5100 RPM. It is topped with LS7-style LSX 6-bolt cylinder heads, featuring a 70cc chamber volume and LS7 rectangular port intake pattern. The valve covers are orange powder-coated with black "LSX 454" badging. Installation considerations include that the valve covers do not have provisions for mounting ignition coil brackets, requiring aftermarket or custom relocation brackets. The engine also has an 8-bolt crankshaft flange that may necessitate an adapter for certain transmissions. An intake manifold is not included; compatible options include the Holley Hi-Ram LS7 (if clearance permits) or the MSD Atomic LS7 intake. This engine comes with a 2-year, 50,000-mile warranty.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

Brand	LSX Concepts
Part Number	19417357
Category	Engines and Components

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