22lb Bosch D3 5.7L L98 TPI Fuel Injectors – Remanufactured Corvette / Camaro / Firebird | SouthBay

Restore proper fueling and drivability in your 5.7L L98 Tuned Port Injection (TPI) engine with SouthBay’s professionally remanufactured 22lb Bosch D3 fuel injectors. Each injector is fully rebuilt using industry‑standard processes, including ultrasonic cleaning, new internal components, and complete dynamic flow testing.

These injectors match original GM specifications and deliver smooth idle, crisp throttle response, and consistent AFR across all cylinders. Ideal for stock or lightly modified TPI engines in Corvette, Camaro, and Firebird platforms.

Rebuild Features:

• Remanufactured 22lb Bosch D3 injectors

• Fits 5.7L L98 TPI engines

• Ultrasonically cleaned & rebuilt with new filters, seals, and O‑rings

• 100% flow‑tested for balanced cylinder fueling

• Direct‑fit replacement for factory injectors

• Restores performance, fuel economy, and drivability

• Supports mild performance upgrades

GM — 5.7L L98 TPI (1985–1992)

• Chevrolet Corvette L98 (1985–1991)

• Chevrolet Camaro 5.7L TPI

• Pontiac Firebird / Trans Am 5.7L TPI

• Replacement for factory 22lb Bosch D3 injectors