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This FAST Precision‑Flow 39 lb/hr injector is an LS3/LS7‑type unit offered individually for GM Gen IV applications. FAST injectors prioritize idle quality and consistent flow; these 39 lb/hr units are available in correct heights for LS platforms and feature the EV6/USCAR connector for hassle‑free plug‑in installation in compatible engines.
FAST Injector FAST Single 39Lb/hr
