K20Z3 EngineK20Z3 Engine
The Honda K20Z3 is a 2.0-liter naturally aspirated inline-4 engine produces up to 197 horsepower and is strongly known for its high-revving performance, reliability, and fuel efficiency. Featuring Honda’s DOHC i-VTEC technology and PGM-FI fuel injection, it offers smooth power delivery and responsive acceleration. Originally used in the 2006β2011 Honda Civic Si and 2007β2010 Acura CSX Type-S, the K20Z3 is a popular choice for both engine replacements and performance builds.
In Stock
$2,500.00 – $5,000.00Price range: $2,500.00 through $5,000.00
The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.
Additional Information
| Brand | Honda |
|---|---|
| Conditions | Remanufactured, Used |
| Miles | 70000-130000 |
| Year Compatibility | 2006β2011 |
| Verified | Tried & Tested |
| Warranty | Up to 3 Months |
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Specifications
The Honda K20Z3 engine is a 2.0-liter naturally aspirated inline-4 engine that is well known for its strong performance, reliability, and exciting driving experience. Found in the 2006β2011 Honda Civic Si and 2007β2010 Acura CSX Type-S, it produces 197 horsepower and 139 lb-ft of torque while revving up to an impressive 8,000 RPM. Equipped with Honda’s DOHC i-VTEC technology, multi-point fuel injection (PGM-FI), and an 11.0:1 compression ratio, the K20Z3 delivers smooth power, quick throttle response, and excellent efficiency.
Its lightweight yet durable design makes it ideal for both daily driving and performance enthusiasts, while its compatibility with a 6-speed manual transmission and helical limited-slip differential provides precise handling and an engaging driving experience. Whether you’re replacing a worn-out engine or looking for a dependable performance upgrade, the Honda K20Z3 engine stands out among the rest.Β
Engine Variants
K20Z1
The K20Z1 is a 2.0-liter performance engine found in the 2005β2006 Acura RSX Type-S. Producing 210 horsepower, it is known for its high-revving performance and served as the foundation for the later K20Z3 engine.
K20Z2
The K20Z2 is a 2.0-liter naturally aspirated engine designed for fuel efficiency and everyday driving. Used in the 2006β2015 Honda Accord and 2006β2011 Honda Civic 2.0L models outside North America, it delivers around 153β155 horsepower while offering dependable performance and excellent reliability.
K20Z4
The K20Z4 powers the 2007β2010 European Honda Civic Type R (FN2). Producing 201 horsepower, it features a sport-tuned setup with Honda’s i-VTEC technology, delivering strong high-RPM performance and an engaging driving experience.
K20A2
The K20A2 is a high-performance 2.0-liter engine found in the 2002β2004 Acura RSX Type-S and the European Honda Civic Type R (EP3). With 200 horsepower, it is well known for its smooth power delivery, high-revving capability, and exceptional reliability.
Frequently Asked Questions
What cars have a K20Z3 engine?
There are two specific cars that comes equipped with a K20Z3 engine namely 2006β2011 Honda Civic Si and the 2007β2010 Acura CSX Type-S.
How much HP does a stock K20Z3 make?
The K20Z3 engine deliversΒ 197 horsepower at 7,800 RPMΒ and 139 lb-ft of torque at 6,100 RPM with a redline of 8,000 RPM
Is the K20Z3 a good engine?
Yes, the K20Z3 is a fantastic, high-revving naturally aspirated engine. Known for its engaging VTEC crossover, 8,000 RPM redline, and excellent cylinder head, it offers thrilling performance and great reliability when properly maintained.
How much HP can a K20Z3 handle?
The Honda K20Z3 engine can produce up toΒ 197 horsepower depending up on the trim level and model type.

