{"product_id":"wiseco-forged-piston-kit-honda-trx400ex-trx400x-xr400r-87mm-oversize-11-0-high-compression-4stroke","title":"Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX\/TRX400X\/XR400R (1996-2014) - 87.00mm Bore (+2.00mm Oversize) - 11.0:1 High Compression - 4-Stroke","description":"\u003ch2\u003eWiseco Forged Series Piston Kit with Gaskets - Honda 400 Platform - +2.00mm Oversize 11.0:1 High Compression\u003c\/h2\u003e\n\u003cp\u003ePremium Wiseco Forged Series piston kit for Honda TRX400EX, TRX400X, and XR400R. \u003cstrong\u003e+2.00mm OVERSIZE (87.00mm)\u003c\/strong\u003e with 11.0:1 HIGH COMPRESSION!\u003c\/p\u003e\n\u003ch3\u003e⚠️ Oversize Piston - Cylinder Boring Required\u003c\/h3\u003e\n\u003cp\u003eThis piston is +2.00mm oversize. Cylinder boring to 87.00mm is required for proper fit.\u003c\/p\u003e\n\u003ch3\u003eKit Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eForged Series Piston\u003c\/li\u003e\n\u003cli\u003eRing Set\u003c\/li\u003e\n\u003cli\u003eWrist Pin\u003c\/li\u003e\n\u003cli\u003eWrist Pin Retainer Set\u003c\/li\u003e\n\u003cli\u003eComplete Gasket Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePiston Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBore Size: 87.00 mm (+2.00mm Oversize)\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 86.95 mm\u003c\/li\u003e\n\u003cli\u003eStroke Length: 70.00 mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 11.0:1 (High)\u003c\/li\u003e\n\u003cli\u003eMaterial: 2618 Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Non-Coated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngine Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisplacement: 397cc\u003c\/li\u003e\n\u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n\u003cli\u003eWeight: 1.7 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHonda TRX400X: 2009, 2012-2014\u003c\/li\u003e\n\u003cli\u003eHonda TRX400EX Sportrax: 2000-2008\u003c\/li\u003e\n\u003cli\u003eHonda TRX400EX FourTrax: 1999\u003c\/li\u003e\n\u003cli\u003eHonda XR400R: 1996-2004\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Parts Unlimited","offers":[{"title":"Default Title","offer_id":47708671869153,"sku":"0903-0473","price":349.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/Screenshot2025-12-16204606.png?v=1765947096","url":"https:\/\/dunegoonshop.com\/products\/wiseco-forged-piston-kit-honda-trx400ex-trx400x-xr400r-87mm-oversize-11-0-high-compression-4stroke","provider":"Dune Goons","version":"1.0","type":"link"}