Description
K24 Engine for Sale USA – Honda K24A, K24A2, K24Z & JDM K24 Engines
K24 Engine for Sale USA
If you are searching for a K24 engine for sale in the USA, Forged & Stocked Engines offers Honda K24 engine options for replacement engines, engine swaps, restoration projects and performance builds.
The Honda K24 is part of Honda’s highly respected K-Series family. With a 2.4-liter displacement, DOHC architecture and i-VTEC technology, the K24 platform offers an excellent combination of displacement, reliability, torque and aftermarket support.
However, not every K24 engine is the same. K24A, K24A2, K24A4, K24A8, K24Z3, K24Z7 and other variants can have different cylinder heads, compression ratios, intake systems, electronics, applications and performance characteristics.
That is why choosing the correct K24 engine code is extremely important before purchasing.
What Is the Honda K24 Engine?
The Honda K24 is a 2.4-liter, four-cylinder gasoline engine from Honda’s K-Series engine family.
Honda documentation identifies K24 applications as water-cooled, four-stroke, DOHC four-cylinder engines. A typical K24 configuration uses an 87.0 mm bore and 99.0 mm stroke, producing approximately 2,354 cc of displacement.
The K24 became popular because it provides more displacement and torque than many smaller Honda four-cylinder engines while maintaining the compact packaging and aftermarket support associated with the K-Series.
Depending on the exact version, K24 engines were used in vehicles including:
- Honda Accord
- Honda CR-V
- Honda Element
- Honda Civic Si
- Acura TSX
- Acura models using K-Series powertrains
- Various JDM Honda applications
Because applications and specifications differ, buyers should always verify the complete engine code and donor vehicle before ordering.
K24 Engine Specifications
The following specifications represent common K24 characteristics. Exact specifications vary by engine variant.
| Specification | Typical K24 Information |
|---|---|
| Engine Family | Honda K-Series |
| Engine Type | K24 |
| Configuration | Inline 4-Cylinder |
| Displacement | 2,354 cc / 2.4L |
| Bore | 87.0 mm |
| Stroke | 99.0 mm |
| Valvetrain | DOHC |
| Valve Technology | i-VTEC on applicable variants |
| Fuel | Gasoline |
| Aspiration | Naturally Aspirated on common K24 variants |
| Cooling | Liquid / Water Cooled |
| Fuel System | Variant dependent |
| Compression Ratio | Variant dependent |
| Horsepower | Approximately 160–205+ hp depending on variant |
| Torque | Approximately 160–175 lb-ft depending on variant |
| Timing Drive | Timing Chain |
| Engine Code | K24A, K24A1, K24A2, K24A4, K24A8, K24Z-series and others |
Honda technical documentation confirms the 2.4-liter K24 architecture, including the 87.0 × 99.0 mm bore and stroke used in documented applications.
Important: Do not use one specification sheet for every K24. Compression ratio, horsepower, torque, cylinder head design and electronics vary between versions.
Popular K24 Engine Variants
K24A2 Engine
The K24A2 is one of the most desirable K24 variants among Honda performance enthusiasts.
It was used in the Acura TSX and is particularly popular for performance-oriented builds because of its higher-output configuration and strong aftermarket support.
Commonly listed K24A2 applications include the 2004–2008 Acura TSX, with output around the 200-horsepower range depending on specification and market.
The K24A2 is frequently considered when buyers are looking for:
- Performance engine swaps
- Naturally aspirated builds
- Turbo projects
- Track cars
- Honda and Acura swaps
- High-performance four-cylinder projects
K24A1 Engine
The K24A1 is commonly associated with Honda CR-V applications and emphasizes practical street performance, torque and everyday reliability.
It can be an attractive choice for customers looking for an affordable K24 replacement engine or a foundation for a custom project.
K24A4 Engine
The K24A4 was used in applications including the Honda Accord and Honda Element.
Honda documentation for a K24A4 application lists a 2.4-liter displacement, 87 × 99 mm bore and stroke and a 9.7:1 compression ratio.
This makes the K24A4 an important option for customers searching for a replacement engine rather than specifically seeking a high-performance K24A2.
K24A8 Engine
The K24A8 is another K24 variant found in Honda applications and is commonly associated with later Accord and Element models.
As with all K24 engines, buyers should verify the exact engine code, wiring, ECU requirements and vehicle application before purchasing.
K24Z3 Engine
The K24Z3 is a later-generation K24 variant used in applications including the Honda Accord and Acura TSX.
Published engine references list K24Z3 output in the approximately 190-hp range, with exact output depending on application and market.
The K24Z3 can be an excellent option for customers who want a newer K24 platform while retaining the naturally aspirated 2.4-liter Honda configuration.
K24Z7 Engine
The K24Z7 is particularly interesting to performance enthusiasts because it was used in the Honda Civic Si.
Published specifications commonly place the K24Z7 around 201 hp, with approximately 170 lb-ft of torque, depending on the specific application.
It is therefore one of the K24 variants worth considering for a performance-oriented Honda build.
JDM K24 Engine vs USDM K24 Engine
One of the biggest mistakes buyers make when shopping for a K24 engine is assuming that every engine labeled “K24” is identical.
They are not.
JDM engines are often identified differently from USDM engines. For example, Japanese-market engines may simply be labeled K24A, while US-market engines commonly use additional identifiers such as K24A2, K24A4 or K24Z3. The actual cylinder head, compression ratio, intake system and vehicle application can differ.
Before purchasing a JDM K24 engine, verify:
- Exact engine code
- Donor vehicle
- Model year
- Cylinder head
- Intake manifold
- ECU compatibility
- Wiring requirements
- Transmission compatibility
- Engine mounts
- Intended swap application
Why Buy a K24 Engine?
The Honda K24 remains popular because it offers an attractive combination of displacement, compact size, reliability and aftermarket support.
1. 2.4-Liter Displacement
At approximately 2,354 cc, the K24 provides more displacement than many smaller four-cylinder Honda engines.
2. Strong Torque
The 99 mm stroke contributes to the K24’s useful torque characteristics, making it suitable for both street vehicles and performance projects.
3. DOHC i-VTEC Technology
Many K24 variants use Honda’s DOHC i-VTEC technology, combining variable valve timing technology with a four-valve-per-cylinder design.
4. Excellent Aftermarket Support
The K-Series platform has a large enthusiast and aftermarket ecosystem, making parts, swap components and performance upgrades easier to source than for many less-common engines.
5. Excellent Swap Potential
K24 engines are widely considered for Honda, Acura and custom engine-swap projects.
K24 Engine Swap Applications
A K24 engine can be used for a wide range of performance and replacement projects.
Popular applications include:
- Honda Civic engine swaps
- Honda Accord replacement engines
- Acura TSX projects
- Honda CR-V replacements
- Honda Element replacements
- Civic Si projects
- Track cars
- Street-performance builds
- Turbocharged K-Series builds
- Naturally aspirated performance builds
- Custom project vehicles
However, a K24 swap is not simply a matter of installing the engine.
Depending on the vehicle, you may need:
- Engine mounts
- Wiring harness
- ECU
- Immobilizer solution
- Intake system
- Exhaust system
- Fuel system
- Cooling system
- Transmission
- Axles
- Shifter assembly
- Sensors
- Engine management
- Custom tuning
Always confirm compatibility before purchasing.
What Is Included With a K24 Engine?
The exact contents of a K24 engine package can vary.
Depending on availability, a K24 may be offered as:
Long Block
A long block generally includes the engine block, cylinder head and internal components but may not include every external accessory.
Complete Engine
A complete engine may include additional components such as:
- Intake manifold
- Throttle body
- Alternator
- Starter
- Sensors
- Wiring components
- Exhaust manifold
- Fuel system components
- Accessories
Engine + Transmission Package
Some buyers prefer to purchase a K24 together with a compatible transmission for an engine-swap project.
Always confirm exactly what is included before placing an order.
How We Inspect K24 Engines
When purchasing a used or imported K24 engine, condition is just as important as the engine code.
At Forged & Stocked Engines, customers should be able to request information about the specific engine being supplied, including available identification and condition information.
A professional inspection process can include:
- Engine code verification
- Visual inspection
- Compression testing where applicable
- Oil inspection
- Coolant inspection
- Leak inspection
- Cylinder condition assessment
- External component inspection
- Identification of damaged connectors or accessories
- Donor vehicle verification where available
Used K24 Engine for Sale USA
A used K24 engine can be an economical solution for customers who need to replace a damaged engine or start a performance project.
However, “used” does not automatically mean “ready to install.”
When comparing used K24 engines, ask:
- What is the exact engine code?
- What vehicle did it come from?
- What model year is the donor vehicle?
- Has compression been tested?
- Is the engine complete?
- What accessories are included?
- Does it include the intake manifold?
- Does it include the alternator?
- Is the ECU included?
- Is the wiring harness included?
- What warranty is provided?
- What is the shipping method?
- Is the engine packaged securely for freight?
These questions can prevent expensive compatibility problems.
K24 Engine Price in the USA
The price of a K24 engine depends on several factors.
The most important factors include:
- K24 variant
- Engine condition
- Mileage
- Compression results
- Complete vs long block
- JDM vs USDM origin
- Availability
- Included accessories
- Transmission inclusion
- Warranty
- Shipping location
Current U.S. listings show that K24 pricing can vary considerably between variants and sellers, so buyers should compare the exact engine specification and package contents, rather than comparing price alone.
For the latest K24 engine availability and pricing, contact Forged & Stocked Engines with your vehicle information and desired engine code.
K24 Engine Shipping Across the USA
Engines are heavy automotive components and should be professionally packaged for transportation.
A typical engine shipment may be secured to a pallet and protected against movement during freight transportation.
For U.S. customers, provide:
- Full name
- Shipping address
- ZIP code
- Phone number
- Vehicle year
- Vehicle make
- Vehicle model
- Preferred K24 engine code
- Whether you need an engine only or an engine/transmission package
This information helps determine the appropriate engine and shipping requirements.
How to Choose the Right K24 Engine
Choosing the right K24 begins with identifying your project.
For a Replacement Engine
Prioritize:
- Correct engine code
- Vehicle compatibility
- Matching sensors
- ECU compatibility
- Correct intake and exhaust configuration
- Warranty
- Condition
For a Performance Build
Consider:
- K24A2
- K24Z7
- High-compression configurations
- Cylinder head compatibility
- Intake manifold options
- ECU tuning
- Transmission compatibility
- Naturally aspirated vs forced-induction goals
For a Turbo Build
The engine should be selected based on the complete power target rather than simply choosing the cheapest K24 available.
A turbo build may require:
- Forged pistons
- Forged connecting rods
- Appropriate compression ratio
- Head studs
- Improved fuel system
- Turbocharger
- Intercooler
- ECU tuning
- Upgraded cooling
- Suitable transmission and clutch
The correct components depend on the intended power level and application.
K24 Engine Maintenance
A properly maintained K24 can provide long service life, but buyers of used engines should establish a preventive-maintenance plan after installation.
Recommended checks include:
- Engine oil and filter
- Coolant
- Spark plugs
- Drive belts
- Timing-chain components
- Valve adjustment where applicable
- VTEC system
- VTC components
- Oil leaks
- Cooling system
- Engine mounts
- Sensors and wiring
Always follow the maintenance specifications applicable to your exact K24 engine code and vehicle.
Why Buy a K24 Engine From Forged & Stocked Engines?
Forged & Stocked Engines is focused on supplying engines for customers looking for replacement and performance powertrains.
When purchasing a K24 engine, our goal is to provide customers with accurate information about the engine being offered rather than simply selling an engine labeled “K24.”
Our K24 engine service can include:
- Multiple K24 variants
- Engine identification
- Application assistance
- Condition information
- Engine specifications
- Engine replacement options
- Performance-engine options
- Shipping assistance
- Customer support
Whether you need a K24 replacement engine for a Honda or a K24 performance engine for a swap, contact our team before ordering so we can help identify the correct configuration.
Frequently Asked Questions About K24 Engines
Is the K24 a good engine?
Yes. The K24 is widely regarded as a versatile Honda four-cylinder platform because of its 2.4-liter displacement, DOHC design, i-VTEC technology on applicable variants and extensive aftermarket support.
How much horsepower does a K24 make?
Horsepower depends on the exact engine code. Common K24 variants range from approximately 160 hp to more than 200 hp in factory form.
What is the best K24 engine for performance?
The K24A2 and K24Z7 are among the variants frequently considered for performance applications. The best option depends on your vehicle, transmission, ECU and desired power level.
Is the K24A2 better than the K24A4?
For a performance-oriented build, the K24A2 is generally more attractive because of its higher-output configuration. For a straightforward replacement application, the K24A4 may be more appropriate if it matches the original vehicle.
Is the K24 good for turbocharging?
The K24 platform is popular for turbocharged builds, but the safe power level depends on the specific engine, internal components, fuel system, tuning, boost level and supporting modifications.
Can I put a K24 in a Honda Civic?
K24 Civic swaps are popular, but compatibility depends on the Civic generation and the specific K24 variant. Engine mounts, transmission, wiring, ECU, axles, cooling and exhaust components may require modification or replacement.
How do I know which K24 I need?
Start with your vehicle year, make and model, then identify the original engine code. If you are performing a swap, provide the complete vehicle and performance requirements so the correct K24 configuration can be selected.
Do you sell JDM K24 engines in the USA?
Forged & Stocked Engines can assist customers looking for JDM and other K24 configurations. Contact us for current availability, specifications and shipping options.
Order Your K24 Engine Today
If you’re searching for a K24 engine for sale in the USA, choosing the correct engine code is the first step toward a successful replacement or swap.
Whether you need a K24A2 engine for a performance build, a K24A replacement engine, a K24Z engine, or another Honda 2.4L K-Series configuration, Forged & Stocked Engines can help you identify the appropriate engine for your project.
Contact Forged & Stocked Engines today for current K24 engine availability, specifications, pricing and U.S. shipping options.
Request a K24 Engine for Sale USA Quote
Send us:
- Vehicle year
- Vehicle make
- Vehicle model
- Engine code, if known
- Manual or automatic transmission
- Intended use
- Shipping ZIP code
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