{"product_id":"2021-2026-ford-f-150-5-0l-whipple-stage-1-to-stage-1r-upgrade-kit","title":"2021-2026 Ford F-150 5.0L Whipple Stage 1 to Stage 1R Upgrade Kit","description":"\u003cp\u003e\u003cstrong\u003e\u003cu\u003e2021-2026 FORD F-150 5.0L\u003cbr\u003eWHIPPLE STAGE 1 TO STAGE 1R UPGRADE KIT\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e The Whipple Stage 1 to Stage 1R Upgrade Kit is designed for 2021-2026 Ford F-150 5.0L owners who already have a compatible Whipple Stage 1 system and want to move up to Stage 1R without replacing the complete supercharger package. This upgrade adds the key fueling, boost, and calibration changes that separate Stage 1R from the standard Stage 1 configuration.\u003c\/p\u003e \u003cp\u003e With 93 octane or higher, this upgrade is capable of adding up to an additional 40 horsepower and 15 lb-ft of torque under optimal conditions. The package includes a billet Whipple supercharger pulley for a 1 psi boost increase, a Bosch 55 lb high-flow fuel injector set, and the updated Stage 1R calibration needed to support the added output.\u003c\/p\u003e \u003cp\u003e This is a parts-and-calibration upgrade intended for existing Whipple Stage 1 customers who want the stronger fueling capacity and higher performance associated with the Stage 1R configuration. It provides a straightforward bolt-on path to the next step in the Whipple F-150 lineup without requiring a complete hardware change.\u003c\/p\u003e \u003cp\u003e The included calibration is supplied for reuse with the existing Tomahawk flash tool, provided the tool remains on the same VIN. That helps make this a cleaner upgrade path for current Whipple owners already running a compatible Stage 1 system.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cu\u003eKEY FEATURES\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUpgrade compatible 2021-2026 Ford F-150 5.0L Whipple Stage 1 systems to Stage 1R\u003c\/li\u003e \u003cli\u003eAdds up to 40 HP and 15 lb-ft of torque on 93 octane or higher*\u003c\/li\u003e \u003cli\u003eIncludes billet Whipple supercharger pulley\u003c\/li\u003e \u003cli\u003ePulley upgrade increases boost by 1 psi\u003c\/li\u003e \u003cli\u003eIncludes Bosch 55 lb high-flow fuel injector set\u003c\/li\u003e \u003cli\u003eIncludes updated Stage 1R calibration\u003c\/li\u003e \u003cli\u003eAdds the fueling and boost changes that define the Stage 1R configuration\u003c\/li\u003e \u003cli\u003eDirect bolt-on upgrade path for existing Stage 1 customers\u003c\/li\u003e \u003cli\u003eExisting Tomahawk flash tool can be reused with the same VIN\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003e*Power figures are under optimal conditions with 93 octane fuel. Results may vary depending on fuel quality, conditions, and dyno type.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e**Calibration only supplied. Existing Tomahawk flash tool can be reused with the same VIN.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Whipple Superchargers","offers":[{"title":"Default Title","offer_id":47866216349852,"sku":"72-70148","price":1399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/M198648025.jpg?v=1791732368","url":"https:\/\/daroracing.com\/products\/2021-2026-ford-f-150-5-0l-whipple-stage-1-to-stage-1r-upgrade-kit","provider":"Daro Racing","version":"1.0","type":"link"}