{"product_id":"kb-performance-883-1200-big-bore-piston-kit-std-for-harley-davidson-1","title":"KB Performance, 883-1200 Big Bore Piston Kit. Std For Harley Davidson","description":"STD compression. \u003cbr data-mce-fragment=\"1\"\u003e883-1200 conversion piston set. \u003cbr data-mce-fragment=\"1\"\u003eCompatible with stock unmodified cylinder heads. \u003cbr data-mce-fragment=\"1\"\u003e9:1 stock compression ratio. \u003cbr data-mce-fragment=\"1\"\u003ePistons are flat top, .125\" below deck height, to achieve a 9:1 CR with a compression height of 1.090\". \u003cbr data-mce-fragment=\"1\"\u003ePiston weight 310gr. \u003cbr data-mce-fragment=\"1\"\u003ePiston pin diameter .\u003cbr data-mce-fragment=\"1\"\u003e792\" and weight 97gr. \u003cbr data-mce-fragment=\"1\"\u003eHead type: Flat top \u003cbr data-mce-fragment=\"1\"\u003e\/ Dome +0.5cc. Compression height 1.090\". Bore 3.498\" \u003cbr data-mce-fragment=\"1\"\u003e\/ Stroke 3.812\". Rod length 6.926\" \u003cbr data-mce-fragment=\"1\"\u003e\/ Cyl. length 4.650\". Comes with T5 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 data-mce-fragment=\"1\"\u003eNote: Top compression ring will need additional clearance. \u003cbr data-mce-fragment=\"1\"\u003eSee instructions. \u003cbr data-mce-fragment=\"1\"\u003eNote: 1200cc cylinders must be purchased for 04-up 883 XL models. \u003cbr data-mce-fragment=\"1\"\u003eStock cylinders liners of 04-up XL models are too thin to bore to 1200 size.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFits: \u0026gt; 86-22 XL883 (883 to 1200 conversion)","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":40436358119509,"sku":"MC944750","price":324.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1606\/2595\/products\/944750k.jpg?v=1669390760","url":"https:\/\/california-motorcycles.com\/products\/kb-performance-883-1200-big-bore-piston-kit-std-for-harley-davidson-1","provider":"California Motorcycles","version":"1.0","type":"link"}