Kelford Cams offer high-performance camshafts for your 1JZ engine. 229-C camshaft set is great for street, strip, and track enthusiasts and provide mid-range power and throttle response. A reliable cam choice to pair with a 60mm-70mm single turbo, and have a threshold of up to 8000rpm and 30psi boost. To achieve the best results with our camshafts, we recommend using Kelford Cams? KVS109-1JZ valve spring kit.