- Compatibility w/Large Displacement 351W Based Eng.
The Edelbrock Part #7581 RPM Air-Gap intake manifold is designed specifically for high-performance street and racing applications involving 351-427 cubic inch Ford Windsor V8 engines. This intake features the proven race-winning design derived from Edelbrock's Victor Series competition intakes, ensuring optimal power and efficiency. The Air-Gap design incorporates an open air space that separates the runners from the hot engine oil, resulting in a cooler, denser air charge that significantly enhances horsepower and torque. This design is ideal for large displacement and stroked 351W engines, with a larger cross-sectional area and a taller carb flange than the standard #7181 model, making it compatible with a variety of high-performance setups. It also includes bosses for nitrous oxide and a rear water crossover, providing flexibility for custom modifications.
The RPM Air-Gap manifold is compatible with Ford automatic overdrive transmissions (AOD) when used with the appropriate Lokar bracket (SRK-4000). It is engineered to improve airflow and power output across the entire RPM range, making it a popular choice among enthusiasts seeking maximum performance. Constructed with high-quality materials, the manifold offers durability and reliability under demanding conditions. Please note that this intake requires carburetor acknowledgment during installation and is not carburetor approved for emissions compliance, but it is suitable for racing and off-road applications. The Edelbrock brand stands for quality and performance, making this intake an excellent upgrade for your Ford small-block Windsor engine.
Designed to fit 1976-1979 Ford Ranchero models, the RPM Air-Gap manifold is an essential component for enthusiasts looking to upgrade their engine’s intake system for increased horsepower and torque in street, drag racing, or custom applications.
Features:
- Open Air-Gap design for cooler, denser intake charge
- Compatible with large displacement 351W based engines
- Includes bosses for nitrous and rear water crossover
- Larger cross-sectional area and taller carb flange than #7181
- Designed for high-performance street and racing applications
- Fits 1976-1979 Ford Ranchero models
- Requires carburetor acknowledgment during installation
- Durable construction for demanding performance environments
- air_freight_prohibited:
- false
- not_carb_approved:
- true
- carb_acknowledgement_required:
- true
- ltl_freight_required:
- false
- prop_65:
- Y
- part_type:
- automotive
- epa:
- N/A
- regular_stock:
- false
- units_per_sku:
- 1
