Significantly improve airflow to your engine for improved horsepower and quicker throttle response, ALL Professional Products Throttle Bodies are all direct fit replacements made to offer you value and performance - you can pay more for a better quality unit for sure - but if you have a limited budget then this is a way to go. The Throttle bodies are die cast just like some OE models from permanent mold castings - they are then machined and fitted with components. All Professional Products throttle bodies are available for many late model EFI applications - direct replacement - bolt on horsepower in minutes - Most applications are CARB street legal with EO# D-624 check box for complete details.