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The LSX 454 crate engine is a 21st-century upgrade to the legendary Chevy 454 big block race engine. Learn more about dyno specs, installation & more.
Order a Chevy LSX 454 crate engine online today. Our Chevrolet Small Block LSX 454 crate engines offer an impressive 627 horsepower and are equipped with the latest technology. Plus, the Chevy LSX 454 is lighter than its big block predecessor. Find the Chevy LSX 454 at JEGS High Performance!
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.
LSx 454ci Crate Engine. Base Price $ 17,799. This LSx 454 block is an upgraded, modern edition of the legendary 454 Big Block. Packed with a whopping 700 horsepower, this 21st century 454 is based on the LSx Bowtie Block, so it requires no extra room under the hood than a production LS.
The engine should be driven at varying loads and conditions for the first 30 miles or one hour without wide open throttle (WOT) or sustained high RPM accelerations. Run five or six medium throttle (50%) accelerations to about 4000 RPM and back to idle (0% throttle) in gear.
The Chevrolet Performance LSX454 7.4L Crate Engine is an evolution of the legendary 454 engine for the 21st-century. Thanks to a forged rotating assembly, forged steel crankshaft, and rods, with forged aluminum pistons, and a high 11.0:1 compression ratio, the LSX454 generates serious power.
An LSX with Big-Block Torque! With the LSX Bowtie block, we’ve built a 21st century 454 with our latest technology. It’s lighter and more compact than an original Big-Block 454–and it delivers the stunning, big-torque output you expect: 586 lb.-ft., along with 627 horsepower.
