CRANE Cams RACEMAX CATHEDRAL PORT Hydraulic Roller Camshaft [238-246 | .661-.661 | 113] (GM LS)

Power Band 2800-6800 RPM Pro street and drags, for modified 5.7L-8.0L engines, rough idle, upgraded cylinder heads and valve train required, along with headers and aftermarket exhaust system. 12.0+ compression ratio, aftermarket deep valve relief pistons, low ratio rear gear and 3000–3500 stall converter required. Computer upgrade necessary. For racing where valve train noise is not a consideration. Racing valve springs mandatory.