{"product_id":"rotrex-pulley-ring-o100-8pk-for-c38r-head-units-3867","title":"Rotrex Pulley Ring Ø100 8PK - For C38R Head Units (3867)","description":"\u003ch2\u003eRotrex Pulley Ring Ø100 8PK - For C38R Head Units\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRotrex Ø100 8PK pulley ring for C38R head units\u003c\/strong\u003e is designed to help tune supercharger speed and boost delivery on Rotrex C38R applications. Pulley selection is a critical part of matching airflow, boost characteristics, belt drive setup, and intended power goals.\u003c\/p\u003e\n\u003cp\u003eThis pulley ring is ideal for C38R performance builds where precise pulley ratio changes are needed for controlled street setups, aggressive high-output combinations, or custom supercharger installations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eØ100 8PK pulley ring\u003c\/li\u003e\n\u003cli\u003eDesigned for Rotrex C38R head units\u003c\/li\u003e\n\u003cli\u003eAllows adjustment of supercharger speed and boost response\u003c\/li\u003e\n\u003cli\u003eSupports custom pulley ratio and belt drive tuning\u003c\/li\u003e\n\u003cli\u003eIdeal for performance street, track, and motorsport applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Pulley selection should be verified against the complete supercharger system, engine setup, and Rotrex operating limits.\u003c\/p\u003e","brand":"Rotrex","offers":[{"title":"Default Title","offer_id":42738095947863,"sku":"3867","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/8642\/1591\/files\/2022-Rotrex-c38r-pulley-ring-01_eb58e9bb-9f71-47f5-abf9-bcc12eb6e6ee.jpg?v=1777560868","url":"https:\/\/jmautosports.com\/products\/rotrex-pulley-ring-o100-8pk-for-c38r-head-units-3867","provider":"JM Auto Racing","version":"1.0","type":"link"}