{"product_id":"procharger-f-1a-91-supercharger-head-unit-pc335a-001","title":"ProCharger F-1A-91 Supercharger Head Unit | PC335A-001","description":"\u003ch2\u003eProCharger F-1A-91 Centrifugal Supercharger Head Unit\u003c\/h2\u003e\u003cp\u003eThe F-1A-91 is a self-contained ProCharger head unit for serious street\/strip and competition combinations targeting up to approximately 1,100 supercharged horsepower. Its 91 mm inducer and compact F-series architecture make it a strong choice where high airflow and responsive boost are both priorities.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine ProCharger part number PC335A-001\u003c\/li\u003e\n\u003cli\u003eSelf-contained oiling\u003c\/li\u003e\n\u003cli\u003e91 mm inducer\u003c\/li\u003e\n\u003cli\u003e5.40:1 internal step-up ratio\u003c\/li\u003e\n\u003cli\u003eHead unit only; brackets, drive components, intercooler, bypass valve and tuning are not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProfessional system design required:\u003c\/strong\u003e final pulley ratio, impeller speed, belt drive, fuel system, engine combination and calibration must be selected for the intended power goal and operating conditions.\u003c\/p\u003e","brand":"ProCharger","offers":[{"title":"Satin","offer_id":55089686446399,"sku":"PC335A-001","price":5048.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":55089686479167,"sku":"PC335A-001-B","price":5423.0,"currency_code":"USD","in_stock":true},{"title":"Polished","offer_id":55089686511935,"sku":"PC335A-001-P","price":5423.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/procharger-supercharger-models-2026.webp?v=1786194640","url":"https:\/\/smgspeed.com\/products\/procharger-f-1a-91-supercharger-head-unit-pc335a-001","provider":"SMGspeed","version":"1.0","type":"link"}