{"product_id":"kb-performance-883-1200-big-bore-piston-kit-std","title":"KB Performance, 883-1200 big bore piston kit. STD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eSTD compression. 883-1200 conversion piston set. Compatible with stock unmodified cylinder heads. 9:1 stock compression ratio. Pistons are flat top, .125\" below deck height, to achieve a 9:1 CR with a compression height of 1.090\". \u003cbr\u003e\u003cbr\u003ePiston weight 310gr. Piston pin diameter .792\" and weight 97gr. \u003cbr\u003e\u003cbr\u003eHead type: Flat top \/ Dome +0.5cc. \u003cbr\u003e\u003cbr\u003eCompression height 1.090\". \u003cbr\u003e\u003cbr\u003eBore 3.498\" \/ Stroke 3.812\". \u003cbr\u003e\u003cbr\u003eRod length 6.926\" \/ Cyl. length 4.650\". \u003cbr\u003e\u003cbr\u003eComes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eNote: Top compression ring will need additional clearance. See instructions. \u003cbr\u003e\u003cbr\u003eNote: 1200cc cylinders must be purchased for 04-up 883 XL models. Stock cylinders liners of 04-up XL models are too thin to bore to 1200 size.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctr\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003ctd\u003eSET\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003e86-22 XL883 (883 to 1200 conversion)\u003c\/p\u003e\u003ch2\u003ePart numbers\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003e944750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003eKB410STD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":58636772770136,"sku":"944750","price":259.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/944750k.jpg?v=1791039157","url":"https:\/\/deathproofcycles.com\/products\/kb-performance-883-1200-big-bore-piston-kit-std","provider":"Deathproof Cycles","version":"1.0","type":"link"}