{"product_id":"hastings-107-m8-chrome-piston-ring-set-std","title":"Hastings, 107\" M8 chrome piston ring set. STD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eStandard cylinder bore: 3.937\" (100mm) bore. \u003cbr\u003e\u003cbr\u003e1st. ring: 1.2mm. \u003cbr\u003e\u003cbr\u003e2nd ring: 1.2mm\u003cbr\u003e\u003cbr\u003eOil ring: 2.0mm\u003cbr\u003e\u003cbr\u003eStock replacement for 107\" models. Comes with a chrome top ring, a ductile iron Napier 2nd. ring and a chrome flex-vent 3-piece oil ring. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTech tip: Piston grooves vs piston rings. \u003cbr\u003e\u003cbr\u003eIt's not difficult to determine if a Hastings piston ring set will fit a certain piston. You should measure the height of the piston groove in the piston itself. The 2 top grooves will be for compression rings, the lower groove will be for the oil ring. In most cases Hastings oil rings are of the low tension 3-piece flex vent type. Ring heights are listed for reference. \u003cbr\u003e\u003cbr\u003eTech tip: Piston oversizes. \u003cbr\u003e\u003cbr\u003eFor each oversize cylinder diameter will increase with .010\" (0.254mm). The standard bore of the cylinder is listed for reference. \u003cbr\u003e\u003cbr\u003e(Information provided by Hastings Manufacturing Company, Inc.)\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctr\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003ctd\u003ePR\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003e17-24 107\" M8 (NU)\u003c\/p\u003e\u003ch2\u003ePart numbers\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003e938821\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003e2C5231\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":58636567314776,"sku":"938821","price":95.88,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/938821k.jpg?v=1791037768","url":"https:\/\/deathproofcycles.com\/products\/hastings-107-m8-chrome-piston-ring-set-std","provider":"Deathproof Cycles","version":"1.0","type":"link"}