{"product_id":"hastings-3-7-16-bore-chr-moly-piston-ring-set-070-for-harley-davidson","title":"Hastings, 3-7\/16\" Bore Chr\/Moly Piston Ring Set. +.070\" For Harley Davidson","description":"Std cyl. Bore: 3.4375\" (87.312mm).\u003cbr data-mce-fragment=\"1\"\u003e 1st ring: 1.6mm.\u003cbr data-mce-fragment=\"1\"\u003e 2nd ring: 1.6mm.\u003cbr data-mce-fragment=\"1\"\u003e oil ring: 4.75mm.\u003cbr data-mce-fragment=\"1\"\u003e Tech tip: Piston grooves vs piston rings.  \u003cbr data-mce-fragment=\"1\"\u003eIt's not difficult to determine if a Hastings piston ring set will fit a certain piston.\u003cbr data-mce-fragment=\"1\"\u003e You should measure the height of the piston groove in the piston itself.\u003cbr data-mce-fragment=\"1\"\u003e The 2 top grooves will be for compression rings, the lower groove will be for the oil ring.\u003cbr data-mce-fragment=\"1\"\u003e In most cases Hastings oil rings are of the low tension 3-piece flex vent type.\u003cbr data-mce-fragment=\"1\"\u003e Ring heights are listed for reference.\u003cbr data-mce-fragment=\"1\"\u003e Tech tip: Piston oversizes.\u003cbr data-mce-fragment=\"1\"\u003e For each oversize cylinder diameter will increase with .010\" (0.254mm).\u003cbr data-mce-fragment=\"1\"\u003e The standard bore of the cylinder is listed for reference.\u003cbr data-mce-fragment=\"1\"\u003e (Tech tip information provided by Hastings Manufacturing Company, Inc.)\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e Fits: \u0026gt; 41-E78 1200cc\/74\" BT (excl. Flatheads) (NU)","brand":"Hastings","offers":[{"title":"Default Title","offer_id":40438694903893,"sku":"MC908475","price":48.57,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1606\/2595\/products\/908440k_eee7351d-b332-42e1-af3c-d65df15ade99.jpg?v=1669729955","url":"https:\/\/california-motorcycles.com\/en\/products\/hastings-3-7-16-bore-chr-moly-piston-ring-set-070-for-harley-davidson","provider":"California Motorcycles","version":"1.0","type":"link"}