{"id":104751,"date":"2025-05-22T13:20:31","date_gmt":"2025-05-22T13:20:31","guid":{"rendered":"http:\/\/www.hpsracing.eu\/?post_type=product&#038;p=104751"},"modified":"2026-04-10T22:04:30","modified_gmt":"2026-04-10T22:04:30","slug":"bulloni-testata-ss-per-evolution-e-twin-cam-6","status":"publish","type":"product","link":"https:\/\/www.hpsracing.eu\/en\/product\/bulloni-testata-ss-per-evolution-e-twin-cam-6\/","title":{"rendered":"CYLINDER HEADS &#038; PARTS FOR X-WEDGE ENGINES"},"content":{"rendered":"<p>Cylinder heads and parts. Fit S&amp;S X-Wedge engines as used in American Iron Horse, Morgan Threewheeler, Big Dog, CR&amp;S and other custom motorcycles. Unless differently Indicated parts are sold each.<br \/> X-Wedge engines have been supplied in three standard sizes:<br \/> X114: 4.125&#8243; bore, 4.250&#8243; stroke, 113.6CI (1.862cc)<br \/> X117: 4.125&#8243; bore, 4.375 stroke, 116.94CI (1.916cc)<br \/> X121: 4.250&#8243; bore, 4.250&#8243; stroke, 120.58CI (1.976cc)<\/p>\n<p> Big Bore upgrades:<br \/> X117 to X132: 4.375&#8243; bore, 4.375&#8243; stroke, 131.54CI (2.156cc)<br \/> X121 to X128: 4.375&#8243; bore, 4.250&#8243; stroke, 127.78CI (2.094cc)<\/p>\n<p> Crankcases and connecting rods are the same for all configurations and work with both the 4.250&#8243; and 4.375&#8243; stroke flywheels, as well as 4.125&#8243;, 4.250&#8243; and 4.375&#8243; bore size cylinders.<\/p>","protected":false},"excerpt":{"rendered":"<p>Washer,.515&#8243; x .900&#8243; x .150&#8243;,Hardened St<\/p>","protected":false},"featured_media":104752,"template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[1231],"product_cat":[1756],"product_tag":[13175,9384,12267,9429],"class_list":["post-104751","product","type-product","status-publish","has-post-thumbnail","product_brand-ss-cycle","product_cat-x-wedge-engine-parts","product_tag-dyna","product_tag-softail","product_tag-sportster","product_tag-touring","first","instock","sale","taxable","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/product\/104751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/media\/104752"}],"wp:attachment":[{"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/media?parent=104751"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/product_brand?post=104751"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/product_cat?post=104751"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hpsracing.eu\/en\/wp-json\/wp\/v2\/product_tag?post=104751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}