{"product_id":"hastings-107-m8-chrome-piston-ring-set-010-938823","title":"Hastings, 107\" M8 Chrome Piston Ring Set. +.010\"","description":"\u003cp\u003eStandard cylinder bore: 3.937\" (100mm) bore. 1st. ring: 1.2mm. 2nd ring: 1.2mm Oil ring: 2.0mm Stock 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. Tech tip: Piston grooves vs piston rings. It'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. Tech tip: Piston oversizes. For each oversize cylinder diameter will increase with.010\" (0.254mm). The standard bore of the cylinder is listed for reference. (Information provided by Hastings Manufacturing Company; Inc.)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 17-24 107\" M8 (NU)\u003c\/p\u003e\u003cp\u003eSuitable where the listed fitment matches.\u003c\/p\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":57518361936247,"sku":"938823","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4619\/3127\/files\/938821ak.jpg?v=1791378822","url":"https:\/\/www.pedrosparts.co.uk\/products\/hastings-107-m8-chrome-piston-ring-set-010-938823","provider":"Pedro's Parts","version":"1.0","type":"link"}