290° camshafts to suit high boost, high rpm Drag Racing engines. Ported head with +1mm valves. 67mm+ turbo. Fuel type E85 or methanol. Must be run with fixed cam timing, AVCS delete. Kelford Cams recommend valve spring upgrade KVS1847-BT. Paddle/tooth style trigger on rear of intake cams._x000D_\n _x000D_\nQuick 10sec trigger identification video_x000D_\n_x000D_\n_x000D_\n
