{"product_id":"kb-performance-1340-shovel-forged-piston-kit-std-for-harley-davidson","title":"KB Performance, 1340 Shovel Forged Piston Kit. Std For Harley Davidson","description":"Forged piston set. \u003cbr data-mce-fragment=\"1\"\u003e9.0:1 CR with 112cc head. \u003cbr data-mce-fragment=\"1\"\u003ePiston weight 416gr. \u003cbr data-mce-fragment=\"1\"\u003ePiston pin weight 97gr. \u003cbr data-mce-fragment=\"1\"\u003ePiston pin dia. \u003cbr data-mce-fragment=\"1\"\u003e.791\" \/ offset. \u003cbr data-mce-fragment=\"1\"\u003eHead type: Dome with -52.7cc. \u003cbr data-mce-fragment=\"1\"\u003eCompression height 1.285\". \u003cbr data-mce-fragment=\"1\"\u003eBore 3.498\". \u003cbr data-mce-fragment=\"1\"\u003eStroke 4.250\". \u003cbr data-mce-fragment=\"1\"\u003eRod length 7.440\". \u003cbr data-mce-fragment=\"1\"\u003eCyl. length 5.330\". \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 the piston set, prior to installation.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFits: \u0026gt; 79-84 1340cc Shovel (NU)","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":40438637428821,"sku":"MC944796","price":350.17,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1606\/2595\/products\/944796k.jpg?v=1669723980","url":"https:\/\/california-motorcycles.com\/products\/kb-performance-1340-shovel-forged-piston-kit-std-for-harley-davidson","provider":"California Motorcycles","version":"1.0","type":"link"}