Wossner Honda S2000 F20C High Compression Forged Piston Kit
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- SKU K9208DA
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Honda S2000 F20C High Compression Forged Piston Kit
Experience the pinnacle of naturally aspirated performance with the Wossner High Compression Forged Piston Kit, engineered specifically for the legendary Honda S2000 F20C engine. Known for its incredible 9,000 RPM redline, the F20C requires internal components that can withstand extreme inertial forces while optimizing combustion. This kit raises the compression ratio to a potent 12.5:1 (depending on bore size), delivering sharper throttle response, increased mid-range torque, and higher peak horsepower for drivers looking to dominate the track or spirited B-roads.
Precision-forged from 4032-T6 high-silicon aluminium alloy, these pistons are designed with low thermal expansion properties. This enables tighter piston-to-bore clearances, significantly reducing the "piston slap" noise common in cold-started forged engines while ensuring a superior ring seal. Each piston features Moly-coated skirts for reduced friction and mirror-polished crowns to eliminate hot spots and resist detonation. Please note that for oversized applications, the S2000’s specialized FRM (Fibre Reinforced Metal) cylinder walls must be sleeved to accommodate forged internals.
Key Performance Features
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Extreme Compression Boost: Increases compression to 12.5:1 for maximum volumetric efficiency in N/A builds.
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4032-T6 Forged Alloy: High-silicon material provides exceptional strength and low expansion for daily drivability.
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Anti-Friction Moly Coating: Unique skirt treatment reduces internal drag and protects cylinder walls under high-load conditions.
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Mirror-Polished Crowns: Polished domes prevent carbon buildup and facilitate a more uniform flame front.
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Weight Optimised: CNC-machined to just 336g per piston to reduce reciprocating mass and improve high-RPM stability.
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Complete Professional Kit: Includes 4x forged pistons, high-performance rings, 23mm gudgeon pins, and circlips.
Technical Specifications
| Feature | Specification |
| Engine Code | Honda F20C / F20C1 (AP1) |
| Bore Sizes Available | 87.00mm (Std) / 87.50mm / 88.00mm |
| Compression Ratio | 12.5:1 (High Compression) |
| Stroke | 84.00mm |
| Compression Height | 30.00mm |
| Gudgeon Pin Diameter | 23mm (WP024-SP) |
| Piston Weight | 336g (Approx. per unit) |
| Connecting Rod Length | 153mm |
| Valves per Cylinder | 4 |
Why Choose Wossner?
Wossner is globally recognised as the innovative specialist for high-performance forged pistons and connecting rods. With decades of experience at the highest levels of European motorsport, Wossner products are engineered to withstand the extreme duress of competition while maintaining the refinement required for everyday use. Every kit is manufactured in-house at their state-of-the-art German facility, utilising advanced CNC machining to guarantee micro-level precision. When you choose Wossner, you are investing in German engineering excellence that delivers uncompromised longevity, superior power, and the reliability needed to push your F20C engine to its absolute limit.