Forged Piston Set, 90.00mm Bore

The Wössner K9120DA is a set of four high-performance forged pistons engineered for Saab 2.0L 16v Turbo engines, specifically for the 9-3 and 9-5 models with engine codes B205E and B205F. Crafted from a durable 4032-T6 high-silicon, low-expansion alloy, these pistons are designed to withstand the demands of enhanced engine performance. Each piston has a 90.00mm bore size and a 9.25:1 compression ratio, which is a close match to the Original Equipment Manufacturer's (OEM) 9.2:1 ratio. This specific compression ratio is suitable for turbocharged applications. The kit includes the specified ring set (900XPY) and wrist pin (WP137-SP) required for installation. These pistons are a "ROUND STYLE FORGING" and are designed as a direct replacement for the stock components, offering improved durability and performance potential over cast pistons. The -0.46 dome volume contributes to the overall compression ratio, making them suitable for performance-oriented builds.