{"product_id":"kb-performance-1340-shovel-forged-piston-kit-020","title":"KB Performance, 1340 Shovel forged piston kit. +.020\"","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eForged piston set. 9.0:1 CR with 112cc head.\u003cbr\u003e\u003cbr\u003ePiston weight 416gr. \u003cbr\u003e\u003cbr\u003ePiston pin weight 97gr. \u003cbr\u003e\u003cbr\u003ePiston pin dia. .791\" \/ offset. \u003cbr\u003e\u003cbr\u003eHead type: Dome with -52.7cc. \u003cbr\u003e\u003cbr\u003eCompression height 1.285\". \u003cbr\u003e\u003cbr\u003eBore 3.498\". \u003cbr\u003e\u003cbr\u003eStroke 4.250\". \u003cbr\u003e\u003cbr\u003eRod length 7.440\". \u003cbr\u003e\u003cbr\u003eCyl. length 5.330\". \u003cbr\u003e\u003cbr\u003eAll KB forged pistons are made from 4032 alloy, a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level, after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation, or pre-ignition, giving the best resistance to cracking. Although 4032 has a low expansion rate, it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001\" wider piston to wall clearance. Pistons are sold as sets, complete with wrist pin retaining rings, wrist pins and piston rings. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eNote: All KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions, as provided with the piston set, prior to installation.\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\u003e79-84 1340cc Shovel (NU)\u003c\/p\u003e\u003ch2\u003ePart numbers\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003e944799\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003eKB926C020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":58636765299032,"sku":"944799","price":280.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/944796k_f430e2c2-292b-44a0-a38e-7381079a3b15.jpg?v=1791039151","url":"https:\/\/deathproofcycles.com\/products\/kb-performance-1340-shovel-forged-piston-kit-020","provider":"Deathproof Cycles","version":"1.0","type":"link"}