The 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.

This 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.

Features

• High‑flow fuel pump capable of supporting ~1,000+ hp applications
• Brushless E5LM screw pump design for durable, low‑amp operation
• Includes fuel pump, filter, wiring harness, and installation instructions
• Designed for universal EFI fuel system upgrades
• Handles gasoline or E85 with proper calibration
• Compact in‑tank design for many aftermarket and custom installs
• High‑pressure operation for performance engines
• Ideal for motorsport, racing, or highly tuned street applications

Specifications

• Part Number: BKS1002‑4
• Pump Type: In‑tank electric brushless fuel pump kit
• Fuel Type: Gasoline or E85 compatible
• Flow Rate Max: ~550 L/hr (~145 GPH)
• Flow @ ~3 bar (≈44 psi): ~525 L/hr
• Flow @ ~5 bar (≈73 psi): ~465 L/hr
• Flow @ ~7 bar (≈102 psi): ~375 L/hr
• Voltage: 12 V
• Body Diameter: ~38.25 mm
• Length (Overall): ~155 mm
• Max System Pressure: ~8.2 bar (~112 psi)
• Inlet/Outlet Fittings: mm scale inlet/outlet (high‑flow compatible)

Included Components

• 1x Walbro brushless fuel pump (BKS1002)
• 1x High‑performance fuel filter
• 1x Fuel pump wiring harness (~3′ long)
• Installation instructions