{"product_id":"wiseco-v-twin-piston-kit-1340-evo-big-twin-8-5-1-comp-k1642","title":"Wiseco V-Twin Piston Kit - 1340 EVO BIG Twin 8.5:1 Comp — Harley-Davidson Electra Glide Classic, Softail Custom, Softail Heritage Classic (1984-1999)","description":"\u003cp\u003eWiseco forged piston kit for 1340cc Evolution Big Twin engines at 8.5:1 compression ratio. Built from high-silicon, low-expansion aluminum for superior strength and heat transfer compared to cast pistons.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eForged from high-silicon, low-expansion aluminum\u003c\/li\u003e\n  \u003cli\u003eDiamond-turned finish with CNC precision\u003c\/li\u003e\n  \u003cli\u003eCompatible with cast iron, chrome, nikasil, and boron composite cylinders\u003c\/li\u003e\n  \u003cli\u003eOversizes available for resleeved cylinders\u003c\/li\u003e\n  \u003cli\u003eState-of-the-art forged construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wiseco\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e K1642\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1340cc Evolution Big Twin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 8.5:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.975 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles with 1340cc Evolution Big Twin engines. Compatible with cast iron, chrome, nikasil, and boron composite cylinder bores.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat compression ratio is this kit?\u003c\/h3\u003e\n\u003cp\u003e8.5:1 compression ratio, suitable for street performance on pump gasoline.\u003c\/p\u003e\n\u003ch3\u003eCan these pistons be installed in any cylinder type?\u003c\/h3\u003e\n\u003cp\u003eYes — Wiseco pistons work in cast iron, chrome, nikasil, and boron composite cylinders without issue.\u003c\/p\u003e\n\u003ch3\u003eAre oversizes available if I need to rebore?\u003c\/h3\u003e\n\u003cp\u003eYes. Wiseco offers oversize pistons, and cylinders can be resleeved to accept them.\u003c\/p\u003e\n\u003ch3\u003eIs this a complete piston kit with rings and pins?\u003c\/h3\u003e\n\u003cp\u003eThis is a piston kit from Wiseco — verify contents and check if rings, pins, and clips are included or sold separately.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53035617648751,"sku":"K1642","price":422.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_a923ebce-6dd6-48a7-92c2-f00a832a3bdc.png?v=1779562941","url":"https:\/\/vtwinbikers.com\/products\/wiseco-v-twin-piston-kit-1340-evo-big-twin-8-5-1-comp-k1642","provider":"Vtwinbikers","version":"1.0","type":"link"}