{"product_id":"kb-performance-88-to-95-twin-cam-piston-kit-std-for-harley-davidson","title":"KB Performance, 88\" To 95\" Twin Cam Piston Kit. Std For Harley Davidson","description":"88\" (3-3\/4\") to 95\" (3-7\/8\") big bore conversion forged piston set. \u003cbr data-mce-fragment=\"1\"\u003e9.25:1 CR with 85cc head. \u003cbr data-mce-fragment=\"1\"\u003ePiston weight 350gr. \u003cbr data-mce-fragment=\"1\"\u003ePiston pin weight 89gr. \u003cbr data-mce-fragment=\"1\"\u003ePiston pin dia. \u003cbr data-mce-fragment=\"1\"\u003e.927\" \/ offset. \u003cbr data-mce-fragment=\"1\"\u003eHead type: Dome with -6.7cc. \u003cbr data-mce-fragment=\"1\"\u003eCompression height 1.263\". \u003cbr data-mce-fragment=\"1\"\u003eBore 3.875\". \u003cbr data-mce-fragment=\"1\"\u003eStroke 4.000\". \u003cbr data-mce-fragment=\"1\"\u003eRod length 7.667\". \u003cbr data-mce-fragment=\"1\"\u003eCyl. length 4.938\". \u003cbr data-mce-fragment=\"1\"\u003eAll KB forged pistons are made from 4032 alloy, a 11% silicon alloy that is formed in a forging press. \u003cbr data-mce-fragment=\"1\"\u003eForging aluminum gives a superior strength and structural integrity on a molecular level, after which it is fully machined. \u003cbr data-mce-fragment=\"1\"\u003eThe combination of this alloy and the forging process allows the piston to flex under detonation, or pre-ignition, giving the best resistance to cracking. \u003cbr data-mce-fragment=\"1\"\u003eAlthough 4032 has a low expansion rate, it is higher than the cast Hypereutectic. \u003cbr data-mce-fragment=\"1\"\u003eTherefore forged KB pistons will require about .001\" wider piston to wall clearance. \u003cbr data-mce-fragment=\"1\"\u003ePistons are sold as sets, complete with wrist pin retaining rings, wrist pins and piston rings. \u003cbr data-mce-fragment=\"1\"\u003eNote: All KB forged pistons come equipped with offset wrist pins \/ piston pins. \u003cbr data-mce-fragment=\"1\"\u003eThere is a front and rear section on the piston and it is necessary to install it in the correct way. \u003cbr data-mce-fragment=\"1\"\u003ePlease refer to the installation instructions, as provided with each piston set, prior to installation.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFits: \u0026gt; 99-06 88\" Twin Cam (NU)","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":40436372045909,"sku":"MC944808","price":425.22,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1606\/2595\/products\/944808k.jpg?v=1669393675","url":"https:\/\/california-motorcycles.com\/products\/kb-performance-88-to-95-twin-cam-piston-kit-std-for-harley-davidson","provider":"California Motorcycles","version":"1.0","type":"link"}