Spool FX-170 Upgraded High Pressure Pump Kit [M133]

The Spool FX-170 is a high-performance fuel upgrade designed for the Mercedes-AMG M133 engine platform, including models like the CLA45, GLA45, and A45. This upgraded high-pressure fuel pump increases fuel flow by 50%, allowing you to run higher ethanol concentrations and support bigger turbo setups.

Key Features:

• 50% More Flow: The FX-170 features a larger bore size compared to the stock pump, delivering 50% more fuel flow, which is critical for high-performance builds.
• E85 Compatibility: The pump is 100% E85 compatible, supporting higher ethanol blends without the need for splicing or modification.
• Plug-and-Play Installation: Designed for seamless installation, the FX-170 requires no cutting or splicing, making it a fully plug-and-play solution.

Why You Need It:

The stock high-pressure fuel pump (HPFP) on the M133 platform is a limiting factor when tuning for more power. The FX-170 allows for 50% more fuel flow, essential for running larger turbos and higher ethanol blends, unlocking more performance potential from your engine.

What’s Included in the Kit:

• 1x FX-170 Upgraded High-Pressure Fuel Pump: Provides a 50% increase in fuel flow to support higher power output.
• 1x Ethanol Content Monitor Kit (Optional): Features a free mobile app for real-time monitoring of ethanol content and fuel temperature.
• 1x Bosch Spec 10-Micron High-Flow Fuel Filter: Ensures optimal fuel cleanliness with no pressure drop.
• Upgraded Fuel Lines and Install Hardware: Braided steel, nylon core fuel lines that are 100% E85 compatible.

Additional Features:

• Spool 10-Micron Filter Unit: Offers industry-leading filtration for the M133 market without noticeable pressure drop, protecting your high-pressure pump and injectors from debris.
• Spool Ethanol Content Monitor: Includes a digital readout of in-tank ethanol content and fuel temperature via BLE 4.0 low-energy technology. The SPOOL Ethanol Content Analyzer app is available for mobile devices.

Tune Changes Required:

The FX-170 requires calibration changes to ensure safe and efficient operation. These changes must be applied before starting the vehicle with the upgraded pumps to avoid damage and voided warranties. Spool Performance provides calibration details to your tuner and can assist in connecting you with experienced tuners.

Low-Pressure Fuel Pump Upgrade:

For optimal performance, upgrading the low-pressure fuel system is essential. Inadequate low-pressure fueling can cause damage to the high-pressure pumps and injectors, as they rely on fuel for lubrication. Ensure proper low-pressure fuel system upgrades to protect your investment.

Note: 'New' merchandise may be returned for exchange or refund within 15 days from the date of shipment. 'New' merchandise must be unused and free from installation or mounting damage. Installation or modification of parts waives your right to returns, refunds, or exchanges.