The Edelbrock Universal Supercharger System part #15461 compatible with street rods and muscle cars with LS Cathedral Port Gen III Truck engines. Edelbrock system is designed to provide instant and reliable horsepower with low boost for minimum stress on the engine. Its compact design fits under the stock hood on most applications and complements the clean look of any engine compartment. The core of this system is the Eaton Gen VI 2300 TVS rotating assembly with a four-lobe design with 160 degrees of twist for maximum flow