{"product_id":"kb-performance-1340cc-evo-b-t-pop-up-piston-kit-040","title":"KB Performance, 1340cc Evo B.T. pop-up piston kit. +.040\"","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003ePop-up high compression. 9.5:1 CR. Piston weight 392gr. Piston pin weight 97gr. \u003cbr\u003e\u003cbr\u003eHead type: Dome. \u003cbr\u003e\u003cbr\u003eDome -9cc. \u003cbr\u003e\u003cbr\u003eCompression height 1.375\". \u003cbr\u003e\u003cbr\u003eBore 3.4980\". \u003cbr\u003e\u003cbr\u003eStroke 4.250\" (4 1\/4\"). \u003cbr\u003e\u003cbr\u003eRod length 7.440\". \u003cbr\u003e\u003cbr\u003eCyl. length 5.550\". \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\u003eNote: Top compression ring will need additional clearance. See instructions.\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\u003e84-99 Evo Big Twin (NU)\u003c\/p\u003e\u003ch2\u003ePart numbers\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003e944670\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003eKB305040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":58636783518040,"sku":"944670","price":259.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/944665k_842dac7a-b823-418e-ada4-c8374455a5f3.jpg?v=1791039164","url":"https:\/\/deathproofcycles.com\/products\/kb-performance-1340cc-evo-b-t-pop-up-piston-kit-040","provider":"Deathproof Cycles","version":"1.0","type":"link"}