Howard's Revolution Kit for Chevy Small Block 265-400 - Mechanical Roller Camshaft 90135 - High Performance Engine Upgrade for Racing & Street Use

Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced racers in Circle Track, Drag Racing, Road Race, Mudd Bogg and Marine. Sportsman to Pro. We use all this input, plus the most advanced computer design software to design the most competitive race winning products.