Standard Motor Products EFI High Flow Fuel Injector — 25 Spray, 39-131 for Harley-Davidson (2001–2005)

EFI high flow fuel injector delivers a 25 spray angle and a flow rate of 5.9 gm/sec, providing precise fuel delivery for Harley-Davidson motorcycles running EFI.

Open port design with an inner diameter of approximately 3.7 mm ensures accurate atomization and a consistent spray pattern for smoother throttle response.

Manufactured in the USA to established durability standards, this injector is designed for Harley models from 2001 to 2005, including FLST, FXST, FXD, and FLT series. It installs as a direct replacement for stock injectors and is compatible with EFI fuel systems.

Whether restoring a vintage bike or building a performance-focused ride, this high flow injector delivers reliable operation under demanding riding conditions.

• Spray angle: 25
• Flow rate: 5.9 gm/sec
• Open port inner diameter: ~3.7 mm
• Fitment: Harley-Davidson FLST, FLT, FXD, FXST (2001–2005)
• Part number: 39-131
• Made in the USA; direct replacement for stock EFI injectors

EFI high flow fuel injector features 25 spray angle and releases 5.9 gm/sec.

Upgrade your Harley Davidson motorcycle with the Standard Motor Products EFI Fuel Injector High Flow, designed specifically to enhance engine performance and fuel efficiency. This high-quality injector features an open port with an inner diameter of approximately 3.7mm, ensuring optimal fuel delivery for a smoother and more responsive ride. Crafted in the USA, this part is built to meet strict quality standards and provides reliable performance for various Harley Davidson models from 2001 to 2005, including the FLST, FXST, FXD, and FLT series. The injector's compact design allows for easy installation and compatibility with your existing fuel system, making it an essential upgrade for enthusiasts seeking improved throttle response and power output. Whether you're restoring a vintage bike or optimizing a custom build, this high flow injector offers the precision and durability necessary for demanding riding conditions.

Features:

• Openings measure 3.7mm inner diameter for precise fuel delivery

• Designed to fit Harley Davidson models from 2001 to 2005 including FLST, FXST, FXD, and FLT series

• Manufactured in the USA with high-quality standards for durability and reliability

• Compatible with EFI systems to improve throttle response and engine performance

• Easy to install, designed for direct replacement of stock injectors

Fitment:
Harley Davidson FLST 2001
Harley Davidson FLST 2002
Harley Davidson FLST 2003
Harley Davidson FLST 2004
Harley Davidson FLST 2005
Harley Davidson FLT 2001
Harley Davidson FLT 2002
Harley Davidson FLT 2003
Harley Davidson FLT 2004
Harley Davidson FLT 2005
Harley Davidson FXD 2004
Harley Davidson FXD 2005
Harley Davidson FXST 2001
Harley Davidson FXST 2002
Harley Davidson FXST 2003
Harley Davidson FXST 2004
Harley Davidson FXST 2005