{"product_id":"wiseco-v-twin-piston-kit-1200-sportster-10-5-1-comp-k1748","title":"Wiseco 1200 Sportster 10.5:1 Compression Piston Kit - K1748 - Harley Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cp style=\"line-height:1.65;\"\u003eThe Wiseco K1748 is a forged piston kit with a 10.5:1 compression ratio, built from high-silicon aluminum with a precision diamond-turned finish. It is designed for riders looking to upgrade their engine's performance with a solid foundation for a rebuild or power build.\u003c\/p\u003e\n\u003cp style=\"line-height:1.65;\"\u003eForged high-silicon, low-expansion aluminum gives the piston strength, while its reduced weight and improved heat transfer support durability. The 10.5:1 compression ratio is a popular choice for improving engine efficiency and power output over stock. The kit works with all common cylinder bore types, and the diamond-turned finish ensures a precise surface.\u003c\/p\u003e\n\u003cp style=\"line-height:1.65;\"\u003eOversize availability is offered for cylinder re-sleeving applications, making this kit suited to riders who are rebuilding or re-sleeving their engine. Part number K1748 is backed by the Wiseco name, a brand known in the performance market for forged pistons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor off-road \/ closed-course race use only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wiseco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e K1748\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.5:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-silicon aluminum (forged)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Diamond-turned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.5836 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Piston kits \u0026amp; Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat material are these pistons made from?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThe pistons are forged from high-silicon, low-expansion aluminum for strength and efficient heat transfer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat compression ratio does this kit provide?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eThis kit offers a 10.5:1 compression ratio, a popular choice for increasing engine efficiency and power output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eAre oversize options available?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, oversize availability is offered for cylinder re-sleeving applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What material are these pistons made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The pistons are forged from high-silicon, low-expansion aluminum for strength and efficient heat transfer.\"}}, {\"@type\": \"Question\", \"name\": \"What compression ratio does this kit provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This kit offers a 10.5:1 compression ratio, a popular choice for increasing engine efficiency and power output.\"}}, {\"@type\": \"Question\", \"name\": \"Are oversize options available?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, oversize availability is offered for cylinder re-sleeving applications.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":53035619876975,"sku":"K1748","price":466.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_58fd8574-34ff-4546-8e80-65662a8ed33d.png?v=1779562589","url":"https:\/\/vtwinbikers.com\/products\/wiseco-v-twin-piston-kit-1200-sportster-10-5-1-comp-k1748","provider":"VTWIN BIKERS","version":"1.0","type":"link"}