{"product_id":"721999","title":"CYLINDER HEADS \u0026 PARTS FOR X-WEDGE ENGINES","description":"\u003cp\u003eCylinder heads and parts. Fit S\u0026amp;S X-Wedge engines as used in American Iron Horse, Morgan Threewheeler, Big Dog, CR\u0026amp;S and other custom motorcycles. Unless differently Indicated parts are sold each.\u003cbr\u003e X-Wedge engines have been supplied in three standard sizes:\u003cbr\u003e X114: 4.125\" bore, 4.250\" stroke, 113.6CI (1.862cc)\u003cbr\u003e X117: 4.125\" bore, 4.375 stroke, 116.94CI (1.916cc)\u003cbr\u003e X121: 4.250\" bore, 4.250\" stroke, 120.58CI (1.976cc)\u003cbr\u003e \u003cbr\u003e Big Bore upgrades:\u003cbr\u003e X117 to X132: 4.375\" bore, 4.375\" stroke, 131.54CI (2.156cc)\u003cbr\u003e X121 to X128: 4.375\" bore, 4.250\" stroke, 127.78CI (2.094cc)\u003cbr\u003e \u003cbr\u003e Crankcases and connecting rods are the same for all configurations and work with both the 4.250\" and 4.375\" stroke flywheels, as well as 4.125\", 4.250\" and 4.375\" bore size cylinders.\u003c\/p\u003e","brand":"Standard Motor Products","offers":[{"title":"Default Title","offer_id":56170781278583,"sku":"721999","price":60.54,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_656b8d4c-2a61-4ecd-9754-623dc2f33fc1.png?v=1763024505","url":"https:\/\/shop.franklinmotors.ie\/products\/721999","provider":"Franklin Motors","version":"1.0","type":"link"}