{"product_id":"kb-performance-1200cc-b-t-piston-kit-070-mcs-944639","title":"KB Performance, 1200cc B.T. piston kit. +.070\"","description":"\u003cp class=\"bb-fitment\"\u003e\u003cstrong\u003ePast op:\u003c\/strong\u003e 41-78 74\"\/1200cc Knuckle, Pan, Shovel (NU)\u003c\/p\u003e\u003cp\u003eCompatible with stock cylinders and heads, gives stock compression ratio. 8.5:1 CR. Piston weight 370gr. Piston pin weight 97gr. \u003cbr\u003eHead type: Dome 0.656\" \/ Dome -57cc. \u003cbr\u003eCompression height 1.450\". \u003cbr\u003eBore 3.4375\" \/ Stroke 3.969\" (3-31\/32\"). \u003cbr\u003eRod length 7.440\" \/ Cyl. length 5.330\". \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","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":59227066859894,"sku":"MCS-944639","price":316.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/944631k_51776bcf-51ba-47f3-9df6-a19c9c602043.jpg?v=1793625230","url":"https:\/\/www.blue-bull.nl\/products\/kb-performance-1200cc-b-t-piston-kit-070-mcs-944639","provider":"Blue Bull","version":"1.0","type":"link"}