{"product_id":"kb-performance-96-to-103-big-bore-piston-set-std","title":"KB Performance, 96\" to 103\" big bore piston set. Std","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eFor 96\" to 103\" (3 3\/4\"  to 3 7\/8\") big bore conversions. Used with stock heads and cylinders. By boring the stock cylinders from 3-3\/4\" to 3-7\/8\" big bore size engine capacity will increase from 96\" to 103\". Comes 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\u003e10.0:1 CR with 85cc head. Head type: Flat top.\u003cbr\u003e\u003cbr\u003e+1.9cc \/ Compression height 1.076\".\u003cbr\u003e\u003cbr\u003eBore 3.875\" \/ Stroke 4.375\".\u003cbr\u003e\u003cbr\u003eRod length 7.667\". \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\u003e07-17 Twin Cam (NU)\u003c\/p\u003e\u003ch2\u003ePart numbers\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003e944756\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003eKB409CSTD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":58646428942680,"sku":"944756","price":255.72,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/944756k_b38a6976-e375-465a-ab52-0b3fc7f29394.jpg?v=1791143076","url":"https:\/\/deathproofcycles.com\/products\/kb-performance-96-to-103-big-bore-piston-set-std","provider":"Deathproof Cycles","version":"1.0","type":"link"}