{"product_id":"hastings-3-1-2-bore-piston-ring-set-chr-moly-030-for-harley-davidson","title":"Hastings, 3-1\/2\" Bore Piston Ring Set. Chr\/Moly. +.030\" For Harley Davidson","description":"Std cyl. bore: 3.4980\" (88.85 mm).\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: 4.0mm.\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. 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 (Information provided by Hastings Manufacturing Company, Inc.).\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e Fits: \u0026gt; 84-99 Evo BT; 88-03 XL1200 (NU)","brand":"Hastings","offers":[{"title":"Default Title","offer_id":40438733242453,"sku":"MC908665","price":42.54,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1606\/2595\/products\/908440k_8e9ebc05-0832-483a-949d-c199cee2581e.jpg?v=1669731992","url":"https:\/\/california-motorcycles.com\/en\/products\/hastings-3-1-2-bore-piston-ring-set-chr-moly-030-for-harley-davidson","provider":"California Motorcycles","version":"1.0","type":"link"}