CRANE Cams RACEMAX CATHEDRAL PORT Hydraulic Roller Camshaft [250-262 | .661-.661 | 114] (GM LS)

Power Band 3200–7200 RPM Maximum drag race effort, made for 6.0L and larger displacement engines. Rough idle, upgraded cylinder heads and valve train required along with headers and aftermarket exhaust system and custom deep valve relief pistons. 12.5+ compression ratio, low ratio rear gear and 3600–4400 stall converted required. Computer upgrade necessary. For racing where valve train noise is not a consideration. Racing valve springs mandatory. Compatible with nitrous oxide systems.