About Us

At SouthBay Fuel Injectors, performance and precision come first. We provide professional fuel injector cleaning, flow testing, and rebuilding services for automotive, marine, and powersports applications — delivering the accuracy and reliability your engine depends on.

Our Expertise

From high‑performance street builds to outboards and jet skis, we restore injectors to peak efficiency using advanced ultrasonic cleaning, multi‑stage filtration, and calibrated flow‑bench testing. This process ensures consistent spray patterns, balanced flow rates, and dependable operation under demanding conditions.

Who We Work With

We service leading brands including Bosch, Denso, Siemens, Mercury, Yamaha, Sea‑Doo, and many others. Enthusiasts, racers, technicians, and everyday drivers rely on our shop for expert support and proven results.

Why Customers Trust Us

SouthBay Fuel Injectors has earned a reputation as an industry innovator, consistently pushing forward in product development and service quality. When you need injectors done right, our team delivers the precision and consistency your engine deserves.

Our Facility

Operating from our state‑of‑the‑art Long Island facility, we proudly serve customers across the United States and around the world. Fast turnaround times, professional testing, and reliable results are the foundation of our service.

Our Inventory

We maintain a large and constantly expanding inventory of high‑performance fuel injectors, OEM injectors, and new and rebuilt units — ensuring we can meet the fueling needs of any build, from stock to extreme.