CROW CAMS PERFORMANCE CAMSHAFT TO SUIT HOLDEN COMMODORE VS VT VX VU VY ECOTEC 3.8L V6Stage 1 This Crow cam was designed for naturally aspirated applications where street ability is important, while still providing great performance. It was designed for the naturally as pirated ecotec engines, however it also works well with nitrous or boosted setups. Its one of the very few cams on the market that don't need a higher torque converter or gear changes to see gains. Look for gains of 15 22 kW depending on your car's current configuration