What is h22a4?

The H22A4 is a 2.2-liter inline-four cylinder engine produced by Honda for use in various vehicles, including the Honda Prelude. It is part of the H-series engine family and is known for its high performance and reliability. The H22A4 produces around 200 horsepower and 156 lb-ft of torque, making it a popular choice for enthusiasts looking to upgrade their vehicle's engine.

The H22A4 features VTEC (Variable Valve Timing and Lift Electronic Control) technology, which helps improve power delivery and fuel efficiency by adjusting valve timing and lift based on engine speed and load. The engine also has a high-revving nature, with a redline of around 7,200 rpm, making it well-suited for spirited driving.

Overall, the H22A4 is a well-regarded engine among Honda enthusiasts for its combination of power, reliability, and tunability. It has been used in various Honda vehicles over the years and has a strong aftermarket support for performance upgrades and modifications.