The 83 lb/hr performance fuel injector delivers precise, repeatable fuel flow for high-output EFI builds. Its Bosch/EV1 LS1-style body drops into 60 mm applications and pairs with peak-and-hold injector drivers.

Holley 522-831 Features:

• Bosch/EV1 LS1-style body, 60 mm length.
• Low impedance (2.2 ohms) for peak-and-hold drivers.
• Rated at 83 lb/hr at 43 PSI.
• Precision lapped disc valve with brass windings.
• High-temp O-rings and a tri-cone spray pattern.