{"product_id":"wiseco-acura-k20-k24-flat-top-1-181x87mm-piston-shelf-stock","title":"Wiseco 6631M87 Forged Flat-Top Piston for 2002-2008 Honda\/Acura K-Series","description":"\u003cmeta name=\"keywords\" content=\"wiseco forged piston, honda k-series piston, performance piston for Acura, high-RPM engine component, flat-top piston for Honda, 2618 aluminum piston, pistons for Acura RSX Type-S, automotive performance parts, high-strength forged piston, durable piston with ArmorGlide coating\"\u003e\u003cmeta name=\"description\" content=\"Upgrade your Honda\/Acura K-Series engine with the Wiseco 6631M87 forged piston. Durable, high-performance, and built for racing excellence.\"\u003e\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e2002-2006 Acura RSX (Type-S, K20\/K24)\u003c\/li\u003e \u003cli\u003e2004-2008 Acura TSX (Base, K24)\u003c\/li\u003e \u003cli\u003e2003-2007 Honda Accord (DX\/EX\/LX\/SE, K24)\u003c\/li\u003e \u003cli\u003e2002-2006 Honda CR-V (LX\/EX, K24)\u003c\/li\u003e \u003cli\u003e2003-2011 Honda Element (DX\/EX\/LX\/SC, K24)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eForged 2618 aluminum for high strength and durability\u003c\/li\u003e \u003cli\u003eArmorGlide® skirt coating for reduced friction and seizure resistance\u003c\/li\u003e \u003cli\u003eFlat-top crown design\u003c\/li\u003e \u003cli\u003ePrecision ring grooves with anti-detonation groove\u003c\/li\u003e \u003cli\u003eForced-pin oiling for reliable lubrication\u003c\/li\u003e \u003cli\u003eHigh-RPM and heavy-duty race capability\u003c\/li\u003e \u003cli\u003eIncludes a premium ring set\u003c\/li\u003e \u003cli\u003eFully machined crown and ring seal enhancements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eBore Diameter: 87.00 mm \u003c\/li\u003e \u003cli\u003eCompression Height: 1.181 in (≈ 30 mm) \u003c\/li\u003e \u003cli\u003ePiston Volume: -3.50 cc (dish) \u003c\/li\u003e \u003cli\u003eWrist Pin Diameter: 0.8661 in (≈ 22 mm)\u003c\/li\u003e \u003cli\u003eMaterial: 2618 Forged Aluminum \u003c\/li\u003e \u003cli\u003eCoating: ArmorGlide® skirt coating \u003c\/li\u003e \u003cli\u003eSeries: Wiseco Professional Series \u003c\/li\u003e \u003cli\u003ePiston Quantity: 1 (sold individually) \u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIncluded Components\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e1x forged piston\u003c\/li\u003e \u003cli\u003e1x set of piston rings\u003c\/li\u003e \u003cli\u003e1x wrist pin\u003c\/li\u003e \u003cli\u003eRetainers (Spirolox or similar, depending on batch)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cp\u003eThe Wiseco 6631M87 is a high-performance forged piston engineered specifically for the Honda\/Acura K-series engines (K20 \/ K24). Built from 2618 alloy and featuring a flat-top crown, this piston is designed to deliver superior strength and reliability, making it ideal for race builds or high-RPM performance driving.\u003c\/p\u003e\u003cp\u003eIts ArmorGlide® skirt coating helps reduce friction and prevent scuffing, while the precision-machined ring grooves and anti-detonation features ensure excellent sealing and combustion stability. The forced-pin oiling provides consistent lubrication, especially critical in high-stress environments.\u003c\/p\u003e\u003cp\u003eThis piston is well-suited for serious engine builders and racers who demand a durable and robust component. It fits a wide range of K-series applications, including the Acura RSX Type-S, TSX, and several Honda Accord, CR-V, and Element models. Installation requires proper honing and clearances, and it's recommended to pair it with high-quality bearings, rings, and balanced rotating assembly for optimal performance.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53325023871295,"sku":"WIS6631M87","price":181.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/7308\/9343\/files\/4e846314-6f9e-4dc2-b4cb-5ea42440e524-800_4537f392-d269-4593-b21f-e5c9528426cf.jpg?v=1780025340","url":"https:\/\/wcaperformance.com\/products\/wiseco-acura-k20-k24-flat-top-1-181x87mm-piston-shelf-stock","provider":"WCA Performance","version":"1.0","type":"link"}