{"product_id":"walbro-550-high-pressure-in-tank-brushless-fuel-pump-kit","title":"Walbro 550 High‑Pressure In‑tank Brushless Fuel Pump Kit","description":"\u003cp\u003eThe Walbro BKS1002‑4 Fuel Pump Kit is a universal high‑flow in‑tank system engineered for serious performance and motorsport use. Featuring a brushless E5LM screw‑type pump design, this kit delivers approximately **550 liters per hour of fuel flow**, making it capable of supporting engines producing up to **~1,000+ horsepower** when paired with appropriate controllers and system setup. The pump runs efficiently on standard 12 V systems with a low amp draw, while providing high pressure across a broad operating range — from ~44 psi to over 100 psi — to meet demanding EFI requirements.\u003c\/p\u003e\n\u003cp\u003eThis kit includes the fuel pump, a performance‑grade inlet filter, a wiring harness for easy mounting inside the fuel tank, and clear installation instructions for hassle‑free setup. Designed as a **universal fit**, the BKS1002‑4 suits custom performance builds, race cars, and highly modified street vehicles using in‑tank fuel pump configurations. Its robust construction and high output make it a popular choice for E85, gasoline, and flex‑fuel applications where high fuel demand and pressure are required for peak engine performance. Note: this pump kit is not CARB certified for California or certain emissions‑restricted areas.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHigh‑flow fuel pump capable of supporting ~1,000+ hp applications\u003c\/li\u003e\n\u003cli\u003eBrushless E5LM screw pump design for durable, low‑amp operation\u003c\/li\u003e\n\u003cli\u003eIncludes fuel pump, filter, wiring harness, and installation instructions\u003c\/li\u003e\n\u003cli\u003eDesigned for universal EFI fuel system upgrades\u003c\/li\u003e\n\u003cli\u003eHandles gasoline or E85 with proper calibration\u003c\/li\u003e\n\u003cli\u003eCompact in‑tank design for many aftermarket and custom installs\u003c\/li\u003e\n\u003cli\u003eHigh‑pressure operation for performance engines\u003c\/li\u003e\n\u003cli\u003eIdeal for motorsport, racing, or highly tuned street applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: BKS1002‑4\u003c\/li\u003e\n\u003cli\u003ePump Type: In‑tank electric brushless fuel pump kit\u003c\/li\u003e\n\u003cli\u003eFuel Type: Gasoline or E85 compatible\u003c\/li\u003e\n\u003cli\u003eFlow Rate Max: ~550 L\/hr (~145 GPH)\u003c\/li\u003e\n\u003cli\u003eFlow @ ~3 bar (≈44 psi): ~525 L\/hr\u003c\/li\u003e\n\u003cli\u003eFlow @ ~5 bar (≈73 psi): ~465 L\/hr\u003c\/li\u003e\n\u003cli\u003eFlow @ ~7 bar (≈102 psi): ~375 L\/hr\u003c\/li\u003e\n\u003cli\u003eVoltage: 12 V\u003c\/li\u003e\n\u003cli\u003eBody Diameter: ~38.25 mm\u003c\/li\u003e\n\u003cli\u003eLength (Overall): ~155 mm\u003c\/li\u003e\n\u003cli\u003eMax System Pressure: ~8.2 bar (~112 psi)\u003c\/li\u003e\n\u003cli\u003eInlet\/Outlet Fittings: mm scale inlet\/outlet (high‑flow compatible)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eIncluded Components\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Walbro brushless fuel pump (BKS1002)\u003c\/li\u003e\n\u003cli\u003e1x High‑performance fuel filter\u003c\/li\u003e\n\u003cli\u003e1x Fuel pump wiring harness (~3′ long)\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walbro","offers":[{"title":"Default Title","offer_id":46500889329908,"sku":"WALBKS1002-4","price":411.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0418\/3690\/4615\/files\/walbro-fuel-pumpfilterwiring-harness-instructions-443465.jpg?v=1748601043","url":"https:\/\/bloxracing.com\/products\/walbro-550-high-pressure-in-tank-brushless-fuel-pump-kit","provider":"BLOX Racing","version":"1.0","type":"link"}