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.
Quick 10sec trigger identification video
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