Fuel Tool Fuel Pressure Gauge — Harley-Davidson Softail Fat Boy, Softail Heritage Classic, Road King (2001-2018)

Fuel Tool fuel pressure gauge for fuel-injected V-twin motorcycles, featuring a push-button release valve and solid brass adapter to safely test fuel pressure and diagnose power loss, hesitation, or stalling issues. Distributed by Western Power Sports and trusted by Harley-Davidson and Indian Motorcycle riders.

Features

• Push-button fuel drain release valve
• Brass adapter and release valve with stainless steel springs
• 100 psi steel gauge with Viton O-rings
• Quickly diagnoses power loss, poor fuel economy, hesitation, and stalling
• Includes O-ring lubricant and nylon storage pouch

Specifications

• Brand: Fuel Tool
• Manufacturer Part #: MC500
• UPC: 857266003043
• Length: 6.95 in
• Width: 6.9 in
• Height: 2.7 in
• Weight: 0.73 lbs

Fitment

Fits 2001 and newer fuel-injected Harley-Davidson and V-twin motorcycle models with EFI systems.

Frequently Asked Questions

What fuel pressure problems can this gauge diagnose?

Quickly identifies loss of power, poor fuel economy, hesitation, and stalling caused by fuel system issues.

How do I safely release fuel pressure?

Press the push-button release valve to drain all fuel pressure through the integrated drain line before disconnecting.

Will this fit my pre-2001 Harley?

No — this gauge is designed for 2001 and newer fuel-injected Harley-Davidson models. Carbureted bikes do not require a fuel pressure gauge.

What's included in the kit?

The gauge assembly with brass adapter, 100 psi steel gauge, stainless steel springs, Viton O-rings, O-ring lubricant, and a nylon storage pouch.