Honda K20A 9.5:1 Wossner Piston Kit (Hard Anodised Crown Coating)

This Wössner hard-anodised forged piston kit is listed for RSX Type-S & Civic Type-R K20 9.5:1 Compression. Catalogue reference: K9566D300. Selected bore size: 89mm.

Key specifications

• Application: RSX Type-S & Civic Type-R K20 9.5:1 Compression
• Manufacturer: Honda
• Engine code: K20A2 / A3; K20Z4
• Year range: 2001–2007
• Catalogue reference: K9566D300
• Bore Size: 89mm
• Product type: Forged Piston Kits
• Stroke: 86mm
• Compression Height: 30mm
• OEM Comp Ratio: 11:01
• OEM Rod Length: 139mm
• Pin Size: 22mm
• Pin Part Number: WP136-SP
• Clip Part Number: CW22
• Number of Rings: 3
• Cylinders: 4
• Valves Per Cylinder: 4
• Piston number: K9566D300

Fitment note: Compare the application, engine code, selected option and listed dimensions with your engine before ordering. Contact TSR Performance if you need a fitment check.