Chevy 454 Engine Price range: $750.00 through $3,500.00Select options
Chevy 454 Engine
The Chevy 454 engine is a powerful 7.4L big-block V8 known for massive torque and rugged durability. Built for trucks, muscle cars, and heavy-duty applications, the 454 delivers strong low-end pulling power ideal for towing and performance builds. Featuring a cast-iron block and large displacement design, it has powered vehicles like the Chevy C/K trucks, Suburban, and classic performance models. The 454 remains a popular replacement and upgrade engine.
In Stock
$750.00 – $3,500.00Price range: $750.00 through $3,500.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
SKU: CHV-454
Category: Used Engine
Tags: 454 engine, 454 replacement engine, 454 truck engine, 454 V8 motor, 7.4L V8 engine, big block Chevy engine, Chevy 454 big block, Chevy performance engine, classic Chevy big block, high torque V8
Brand: Chevrolet
Additional Information
| Brand | Chevrolet |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 1995-2000 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
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Specifications
The Chevrolet 454 engine is a big-block V8 engine with a 7.4-liter (454 cu in) displacement, originally designed for high torque and heavy-duty performance. It typically features a 90-degree cast-iron block and heads, a 4.25-inch bore and 4.00-inch stroke, and an overhead-valve (OHV) valvetrain with two valves per cylinder. Depending on the year and version, factory output ranged widely from about 230 to over 450 horsepower with torque figures often exceeding 500 lb-ft, making it especially popular in muscle cars, trucks, and marine applications.
Compression ratios varied from low 8:1 smog-era designs to over 11:1 in high-performance models like the LS6, and fuel delivery ranged from single or multiple carburetors to later fuel-injected configurations.
Engine Variants
L19 (1987–1995)
The Chevrolet 454 L19 marked the transition of the big-block into the fuel-injection era, featuring throttle-body electronic fuel injection (EFI) for improved drivability and emissions compliance. Designed primarily for heavy-duty trucks and SUVs, it delivered strong low-end torque rather than high horsepower, making it ideal for towing and hauling. This engine is best known for powering the iconic 1990–1993 Chevrolet 454 SS performance truck.
Vortec 7400 (L29) (1996–2000)
The Vortec 7400 L29 represented a major refinement of the 454, incorporating multi-port fuel injection, Vortec cylinder heads, and a hydraulic roller camshaft. These updates improved throttle response, fuel efficiency, and reliability while maintaining the big-block’s legendary torque output. Built exclusively for heavy-duty truck applications, the L29 became one of the most durable and street-friendly factory 454 variants.
454 HO (Crate Engine)
The Chevrolet 454 HO is a modern high-output crate engine built on a Gen VI big-block platform, delivering over 438 horsepower straight out of the box. Designed for enthusiasts seeking classic big-block muscle with modern reliability, it features aluminum heads, a performance camshaft, and updated internals for durability. The 454 HO is a popular choice for restomods, muscle cars, and custom performance builds where raw torque and nostalgic power are a priority.
Frequently Asked Questions
Does the 454 engine run hot compared to smaller engines?
From my experience, big blocks generate more heat, so a good radiator, fan clutch, and proper cooling system are very important.
Is the 454 engine hard to find parts for today?
Not at all. Parts availability is excellent because it’s one of Chevy’s most popular big-block engines.
How does the 454 engine feel compared to modern V8s?
It feels different — more raw and torque-heavy. The power comes on strong at low RPM rather than high-revving speed.
Is the 454 engine suitable for long highway trips?
Yes, it cruises comfortably, but fuel stops will be more frequent compared to smaller engines.
Is the 454 engine a good choice for restoration projects?
Absolutely. It keeps classic trucks and muscle cars period-correct while delivering serious performance.
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