The Nissan SR20 engine is a true icon in the world of performance. A 2.0-liter inline-4 delivers a perfect balance of power, response, and reliability. Whether you’re building a drift car, track weapon, or just want a street machine with spirit, the SR20 is built to perform well on the road. The Nissan SR20 engine was built with a durable cast-iron block in early versions and later offered in a lighter aluminum design for improved performance. The high-revving nature and turbocharged capabilities, makes it favorite among enthusiasts looking for a lightweight, tunable engine with proven strength.
Features
Tested Engine with Warranty
Hassle-Free Returns Available
Live Customer Support
Direct Fit for Your Vehicle
Description
The Nissan SR20 Engine is a 2.0L inline-4 engine from the SR family, produced in various versions between 1989 and 2002. It features a cast-iron block with an aluminum DOHC 16-valve cylinder head, a bore of 86 mm, and a stroke of 86 mm, giving it a square design for balanced performance. Depending on the version, it came naturally aspirated or turbocharged, with compression ratios ranging from 8.5:1 to 10.3:1. Power output varied widely around 140–165 hp for naturally aspirated models and 205–250 hp for turbocharged variants. Renowned for its strength, tuning potential, and reliability, the SR20 was used in popular models like the Nissan Silvia, 180SX, Pulsar GTI-R, and Primera.
SR20 fitment requires matching your specific application. The S13 240SX application and the S14 application have different oil pan and accessory configurations. The SR20DE and SR20DET are different engines and not directly interchangeable without supporting modifications. Our application review confirms the correct SR20 variant for your vehicle or build before it ships.
For 240SX owners and SR20 build projects comparing a used engine, a remanufactured engine, and an OEM engine, the used OEM route delivers the factory Nissan assembly most authentically. A used Nissan SR20 engine from a verified low-mileage donor gives you the factory DOHC four-cylinder as an OEM engine — the original turbocharged or naturally aspirated configuration, the factory injection system, the factory Nissan calibration — at a price that makes the SR swap or replacement practical. No remanufactured engine from a rebuilt core delivers the factory SR20 assembly that a used OEM engine provides.
Every used Nissan SR20 engine ships with up to a 90-day warranty and arrives within 2 to 5 business days. Installation is not included. These are genuine Nissan OEM engines, and we stand behind every unit.
Specifications
Product Type
Engine
Displacement (Engine Size)
2.0L Inline-4 DOHC (1998 cc)
Fuel Type
Gasoline
Availability
In Stock
Shipping
Nationwide Available
Use Case
Ideal for performance builds, swaps, and replacements
Frequently Asked Questions
What is the highest horsepower SR20?
The highest horsepower SR20 can offer is approximately 2,300 horsepower.
What makes the SR20 so good?
The Nissan SR20 engine stands out among the rest because of its reliability, easy to upgrade, aftermarket availability. Its small, lightweight aluminum design helps with both power and handling.
Is SR20 engine reliable?
Yes, the SR20 engine is very reliable when well-maintained. Its strong build and simple design makes it last long, even with performance upgrades.
What is the most powerful SR20 engine?
The most powerful SR20 engine is the SR20VET, a turbocharged version producing around 280 hp stock.
What is the most powerful v12 engine?
The Zenvo Mjølner V12 is known as of the most powerful v12 engine known for its well-balanced versatility and reliability.
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Shipping Policy
Our shipping policy is flexible, as the shipping charges depend on the location. A few certain remote regions like CO, UT, NY, OR, & CA may have additional shipping charges or delivery fees. However, some circumstances may cause delays, but we always strive to deliver your order as quickly as possible.
Please note that all shipping times are estimates and not guaranteed. We examine all rebuilt and used engines before shipment and aim to provide high-quality used engines and transmissions. Shipping details and fees will be disclosed to consumers before any transactions are made. Our team is operational 24/7, and you can call us at +1-888-799-0188 to place an order.
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