The Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92.5 Piston Kit is a high-performance forged racing piston set designed for serious motorsport applications. Part of Wiseco's Professional Series, these pistons are engineered for no-compromise durability and exceptional performance in demanding race environments. Constructed from premium materials and equipped with custom features, they deliver increased strength and reliability under severe duty conditions. The kit includes pistons with a 8.4:1 compression ratio and 92.5mm bore size, optimized for high-power, high-stress engine builds, enabling racers to push their engines to the limit.
This piston kit is compatible with Subaru WRX models equipped with a 4-cylinder engine, typically from the early 2000s onward. It is intended for use in heavy-duty race builds, providing a direct replacement for stock pistons in performance-oriented applications. Suitable for track, race, or severe-duty use, these pistons are designed for bolt-on installation in compatible engines. The kit includes premium rings and is ideal for builders seeking to maximize engine output and durability in high-performance Subaru WRX applications.
