Chevy 12568774 454 HO 454ci Crate Engine 438 HP JEGS

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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. LSX 454 Crate Engine | Big Block | Chevy Performance Parts. 627 HP @6300 RPM. 586 LB-FT @5100 RPM. Super-tough

The 199093 Chevrolet 454 SS pickup is experiencing a youth movement


2024 Chevelle 70/SS LS6X 454 Limited Edition: From 900 Horsepower . Close.. 2024 Chevelle 70/SS LS6X 454 Limited Edition Engine & Performance Specs. Configuration. V8. Displacement .

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CHEVROLET 7.4L/454 Crate Engines - Free Shipping on Orders Over $109 at Summit Racing Home Crate Engines CHEVROLET Product Results Filters In Stock. Ships Today. (8) In Stock, Including at a Supplier. Ships In a Few Days. (12) Get Results Brand BluePrint Engines (28) ATK High Performance Engines (11) Chevrolet Performance (8) VEGE (8)

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Braden Carlson Jun 10, 2021 The Chevy 454 cubic-inch big-block engine was a staple of the GM lineup for over 25 years. Could it be what you're looking for? The Chevy big-block engine started life as an evolution of the iconic automaker's muscle car lineup to expand its horizons into bigger engines with more power.

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Heck, there are a lot of BBC cylinder heads that cost more than $2,500, but our plan was to secure a suitable (running) 454 truck engine, add the necessary (cost-conscious) performance.

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If you're in the market for a powerful engine to upgrade your vehicle's performance, the Chevrolet 454 big block crate engine is a popular choice. But with so many options available, it can be overwhelming to choose the best one for your needs.

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(April 2021) The Chevrolet "big block" engine is a term for a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline -powered, V8 engines; that were developed and produced by the Chevrolet Division of General Motors, from the 1950s until present.

Chevy 12568774 454 HO 454ci Crate Engine 438 HP JEGS


Each model had a bore-stroke ratio of 4.251:4" and a compression ratio of 11.25:1 in both the LS5 and LS6. 454 engines were forged from cast iron and steel, depending on which level of performance they provided. The original LS5 created up to 390 horsepower and 500 ft-lb of torque.

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But, how much horsepower does a 454 engine have? In performance cars like Camaro and passenger cars like El Camino, even at that time, the 454 used to offer 450 hp in its prime. However, the same horsepower ratings were reduced by 95.1 in light of a power cut. Don't confuse horsepower with torque.

Chevrolet 454 Engine Specs


Big Block Chevy 454ci 525HP / 550TQ Base Engine View Details $7,300.00 Estimated to ship direct from manufacturer on 02/14/24, pending manufacturer availability. Learn More Lowest Price Guarantee Add To Cart Mid Dress Engine ATK Engines HP451PM Part Number: 059-HP451PM

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Chevy 454 Engine Specs Specs for the 1970-1976 big block 454 cid engine are as follows: Engine: Chevrolet 454 Big Block Displacement: 454 cid (7.4L) Block/Heads: Cast Iron Configuration: 90° V8 Bore x Stroke: 4.25″ x 4.0″ Compression Ratio: 10.25:1, 11.25:1, 8.2:1 Firing Order: 1-8-4-3-6-5-7-2 Engine Weight: ~685 lbs

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To accomplish that goal, we turned to Trick Flow Specialties for one of their complete top-end kits (PN TFS-K413-580-560). The kit included gaskets, valvetrain and camshaft, fasteners, and a set.

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Chevrolet Performance's 454 HO crate engine is a Big-Block bargain - an affordable engine with performance specs that will make you think it's 1970 all over again. PART NO. 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability.

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component information, start- up and break- in procedures, 454HO engine specifications, additional parts that you may need to purchase, and a service parts list. The 454HO engine is a fully assembled long block that also includes the intake manifold and water pump. This engine is assembled using brand new, premium quality components.

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History. To some, the Chevrolet 454 big block was the right engine at the wrong time. Building on the popularity of its 427-cubic-inch engine, General Motors introduced the 454 in 1970—one year before emissions standards were tightened and just three years before the gas crisis hit with full force.It was not the ideal time to introduce a large cubic-inch big block tailored for performance.

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More good news is that today the 454 is one of the favorites among Chevrolet performance enthusiast which means that there is an ample supply of engine parts available for the 454 that really push the horsepower on these engines easily above the 600 bhp mark. Engine Specifications 1970 LS5 with 4 Barrel Carb