{"product_id":"hastings-3-5-8-bore-chr-moly-piston-rings-std-908555","title":"Hastings, 3-5\/8\" Bore Chr\/moly Piston Rings. STD","description":"\u003cp\u003eUsed with 3-5\/8\" big bore pistons that use.078\" (2.0mm) compression and 3\/16\" (.186\") (4.75mm) oil rings. Std cyl. bore: 3.625\" (92.075mm). 1st ring: 2.0mm. 2nd ring: 2.0mm. oil ring: 4.75mm. Note: When 3-5\/8\" S\u0026amp;S pistons are used you should; in practically all cases; use the Hastings rings for S\u0026amp;S pistons that are mentioned as 'S\u0026amp;S 3-5\/8 Big Bore'. These come with 1.6mm compression rings and 4.0mm oil rings. Check before you order. 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. (Tech tip information provided by Hastings Manufacturing Company; Inc.)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Shovel 3-5\/8\" big bore\u003c\/p\u003e\u003cp\u003eSuitable where the listed fitment matches.\u003c\/p\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":57518368620919,"sku":"908555","price":31.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4619\/3127\/files\/908440k.jpg?v=1791378822","url":"https:\/\/www.pedrosparts.co.uk\/products\/hastings-3-5-8-bore-chr-moly-piston-rings-std-908555","provider":"Pedro's Parts","version":"1.0","type":"link"}