Wossner RSX Type S & Civic Type-R K20 Turbo Compression Forged Piston Kit

Wossner RSX Type S & Civic Type-R K20 Turbo Comp Forged Piston Kit

Take your Honda K20 engine to the next level with the Wossner Turbo Compression Forged Piston Kit. Specifically engineered for forced induction applications, these low-compression pistons are the ultimate choice for tuners looking to run high boost pressures on the RSX Type S and Civic Type R. By dropping the compression ratio to 9.0:1, Wossner provides the necessary safety margin against detonation, allowing for more aggressive mapping and substantial power gains.

Each piston is manufactured from high-yield 4032-T6 aluminium alloy, ensuring minimal thermal expansion and maximum structural integrity under extreme cylinder pressures. Wossner’s precision German engineering includes a unique Moly-based skirt coating that reduces friction and allows for tighter piston-to-bore clearances. This results in a quieter engine during cold starts and a significantly longer service life, whether on the street or the track.

Key Performance Features

• Turbo-Optimised 9.0:1 Compression: Specifically designed to handle the thermal loads and pressures of high-boost turbocharging.

• 4032-T6 Forged Alloy: High-silicon content provides superior strength with low expansion rates for tighter tolerances.

• Moly Skirt Coating: A signature Wossner feature that reduces internal friction and protects against scuffing.

• Mirror-Polished Crowns: Designed to reflect heat and eliminate "hot spots" that lead to catastrophic engine knock.

• Comprehensive Kit: Supplied as a complete set of four, including high-performance rings, gudgeon pins, and circlips.

Technical Specifications

Why Choose Wossner?

Wossner is globally recognised as a leader in high-performance piston and rod manufacturing. With over 25 years of experience at the pinnacle of European motorsport, every Wossner product is designed using state-of-the-art CAD/CAM simulation and tested in the most demanding racing environments. Choosing Wossner means investing in German precision, ensuring your Honda K20 build benefits from reduced reciprocating weight, increased RPM potential, and the legendary reliability required for professional-grade tuning.