{"product_id":"cometic-builders-cylinder-base-gasket-set-3-1-2-copper","title":"Cometic, builders cylinder base gasket set. 3-1\/2\" copper","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003e3-1\/2\" standard bore. With 'type A' style gaskets. \u003cbr\u003e\u003cbr\u003eIncludes two of each in .005\", .010\", .015\" and .020\" thickness. \u003cbr\u003e\u003cbr\u003eThese are specialty copper base gaskets for mechanics that want to achieve a specific compression ratio. \u003cbr\u003e\u003cbr\u003eType A gasket explained: Type A' gasket is the early type introduced on the 1984 Evolution Big Twin models, and can be used on all of the 84-99 Evo Big Twin models and will follow the contoures of the cylinder base perfectly. They will fit 86-22 Evo XL, but stick out at the cylinder base. Both type 'A' and type 'B' have identical inner bore diameter, oil hole and stud hole locations. Gaskets for front \u0026amp; rear cylinder are identical. Only difference between the 'A' \u0026amp; 'B' gaskets is the outside perimeter.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctr\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003ctd\u003e8PK\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\u003e561221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003eC9033\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":58622187012440,"sku":"561221","price":104.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/561221k.jpg?v=1790966268","url":"https:\/\/deathproofcycles.com\/products\/cometic-builders-cylinder-base-gasket-set-3-1-2-copper","provider":"Deathproof Cycles","version":"1.0","type":"link"}