{"product_id":"procharger-f-1a-supercharger-head-unit-pc325a-001","title":"ProCharger F-1A Supercharger Head Unit | 1,100 HP | PC325A","description":"\u003ch2\u003eProCharger F-1A Centrifugal Supercharger Head Unit\u003c\/h2\u003e\u003cp\u003eThe ProCharger F-1A is engineered for high-revving street\/strip and race combinations needing up to 1,575 CFM in a compact 9-inch package. ProCharger's centrifugal design builds boost with engine speed for strong top-end power while retaining the responsive, progressive delivery enthusiasts expect from a properly matched system.\u003c\/p\u003e\u003cp\u003eF-series installations require an appropriately engineered bracket, drive, pulley, fuel and charge-cooling combination.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaximum supercharged horsepower: 1,100 HP\u003c\/li\u003e\n\u003cli\u003eMaximum airflow: 1,575 CFM\u003c\/li\u003e\n\u003cli\u003eMaximum boost: 38 PSI\u003c\/li\u003e\n\u003cli\u003eMaximum impeller speed: 74,000 RPM\u003c\/li\u003e\n\u003cli\u003eInternal step-up ratio: 5.40:1\u003c\/li\u003e\n\u003cli\u003eVolute diameter: 9 inches\u003c\/li\u003e\n\u003cli\u003eInlet hose diameter: 3.75 inches\u003c\/li\u003e\n\u003cli\u003eOutlet hose diameter: 3 inches\u003c\/li\u003e\n\u003cli\u003eSelf-contained oiling with 4-ounce oil capacity\u003c\/li\u003e\n\u003cli\u003eReverse-rotation configuration available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat You Receive\u003c\/h3\u003e\u003cp\u003eOne new ProCharger F-1A head unit in the selected finish. A pulley, belt, bracket system, intercooler, bypass valve and vehicle-specific installation hardware are not included unless expressly listed.\u003c\/p\u003e\u003ch3\u003eOrdering and Compatibility\u003c\/h3\u003e\u003cp\u003eThis is a universal performance head unit, not a complete vehicle kit. Verify rotation, mounting pattern, pulley style and offset, volute clocking, inlet and outlet sizes, impeller-speed calculation, target horsepower, drive capacity and bracket clearance before ordering. Contact SMG Speed with your existing ProCharger serial number and system part number when replacing or upgrading a current unit.\u003c\/p\u003e\u003cp\u003eProCharger warranty coverage depends on the application and intended use. Exceeding published impeller speed, improper lubrication\/service or incorrect installation can void coverage.\u003c\/p\u003e","brand":"ProCharger","offers":[{"title":"Satin","offer_id":55078171935039,"sku":"PC325A-001","price":4698.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":55078171967807,"sku":"PC325A-001-B","price":5073.0,"currency_code":"USD","in_stock":true},{"title":"Polished","offer_id":55078172000575,"sku":"PC325A-001-P","price":5073.0,"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-supercharger-head-unit-pc325a-001","provider":"SMGspeed","version":"1.0","type":"link"}