{"product_id":"ford-small-block-procharger-f3r121-cog-race-kit","title":"Ford Small-Block ProCharger F-3R-121 \/ F-3R-112 Cog Race Kit","description":"\u003cp\u003e\u003cstrong\u003eFord Small-Block ProCharger F-3R-121 \/ F-3R-112 Cog Race Kit\u003c\/strong\u003e for custom carbureted or aftermarket-EFI Windsor\/Yates small-block Ford race builds using the 1985–1993 Mustang accessory arrangement. These are engine\/accessory requirements, not blanket vehicle fitment.\u003c\/p\u003e\u003ch2\u003eRace-kit specification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCatalog family: \u003cstrong\u003e1FX224-F3A-spec\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStandard-mount configuration with 14 mm-pitch, 55 mm-wide cog drive\u003c\/li\u003e\n\u003cli\u003eProRace bypass valve included; choose red or black\u003c\/li\u003e\n\u003cli\u003eNon-intercooled kit: no intercooler or intercooler tubing supplied\u003c\/li\u003e\n\u003cli\u003eNo carb hat included; optional Competition 4150 hat available separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupercharger and finish choices\u003c\/h2\u003e\u003cp\u003eF-3R-121 is the base configuration. F-3R-112, formerly named F-1X-12, is the catalog alternative and reduces the price by $300. Satin is standard; black adds $650 and polished adds $750 for the 12-inch housing. These choices are included in the selected variant price. Supercharger bracket finish and other add-ons are selected separately.\u003c\/p\u003e\u003ch2\u003eFitment and installation\u003c\/h2\u003e\u003cp\u003eSpecify actual deck height, Windsor or Yates cylinder heads, chassis, induction, accessory arrangement, crank\/balancer details and target boost\/RPM. Confirm drive alignment and space for the supercharger, belt, hood and custom plumbing. Carbureted installations require a compatible blow-through Holley 4150-style or similar carburetor and suitable fuel-system upgrades, supplied separately. Fuel delivery, charge cooling and calibration must suit the actual power target; no horsepower or boost output is guaranteed.\u003c\/p\u003e\u003cp\u003eA satin 3FAAT-002 alternator relocation kit is optional at $355. An alternator-with-power-steering relocation package is not offered.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eManufacturer F-3 race-installation reference photo shows a complete race vehicle, optional polished finish and supporting equipment. It is not an exact parts-layout or mounting-orientation image of this kit; only the selected kit and purchased options are supplied.\u003c\/em\u003e\u003c\/p\u003e","brand":"ProCharger","offers":[{"title":"F-3R-121 \/ Satin","offer_id":67615310151999,"sku":"1FX224-F3A-spec","price":9548.0,"currency_code":"USD","in_stock":true},{"title":"F-3R-121 \/ Black","offer_id":67615310184767,"sku":"1FX224-F3A-spec-B","price":10198.0,"currency_code":"USD","in_stock":true},{"title":"F-3R-121 \/ Polished","offer_id":67615310217535,"sku":"1FX224-F3A-spec-P","price":10298.0,"currency_code":"USD","in_stock":true},{"title":"F-3R-112 (Formerly F-1X-12) \/ Satin","offer_id":67615310250303,"sku":"1FX224-F3A-spec-112","price":9248.0,"currency_code":"USD","in_stock":true},{"title":"F-3R-112 (Formerly F-1X-12) \/ Black","offer_id":67615310283071,"sku":"1FX224-F3A-spec-112-B","price":9898.0,"currency_code":"USD","in_stock":true},{"title":"F-3R-112 (Formerly F-1X-12) \/ Polished","offer_id":67615310315839,"sku":"1FX224-F3A-spec-112-P","price":9998.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/IMG_0188_0_jpeg.webp?v=1790843720","url":"https:\/\/smgspeed.com\/products\/ford-small-block-procharger-f3r121-cog-race-kit","provider":"SMGspeed","version":"1.0","type":"link"}