EFI Throttle Bodies

Upgrade your 1990-95 5.7L GM truck with the Holley EFI 670 CFM Two Barrel TBI for enhanced performance. Expertly designed with relevant emission provisions, this throttle body ensures a true 50-State legal installation, making the C.A.R.B. E.O. number unnecessary. Crafted from high-quality aluminum, it offers a 42% area increase over stock TBI with a 2-inch throttle bore, complete with an air distribution ring for improved air flow. Experience increased torque and horsepower by up to 25% with this easy "bolt-on" replacement that fits stock factory manifolds seamlessly. Holley EFI—engineered for perfection.