Edelbrock part #2078 Victor Top End Kit is designed for 1965-95 Mark IV & V Big-Block Chevy 496-555 engines. This Top End Kit produced 676 HP & 649 TQ on a 555 c.i.d Chevy with 10.0:1 compression. The kit delivers the ultimate in high performance for street/strip applications. Featuring Victor intake manifold, Victor cylinder heads and Rollin' Thunder Hydraulic Roller camshafts with aggressive profiles for maximum power while retaining great drivability. All of the performance results are real results from engine dynamometer tests on factory short blocks. To get great performance out of any engine, all of the components must work together. For over 30 years, the Edelbrock Total Power Package system has solved the parts matching puzzle for many street performance enthusiasts. With the introduction our Power Package Top End Kits, now you can get the best Edelbrock performance in-one-box, under one part number with "no guesswork" involved.