264° Stage 1 Turbo cams for street and off road applications. Low overlap to suit boosted engines, either turbo or supercharged. Good throttle response, increase in mid-range power and good drivability for the street or towing. Suits turbo sizing 60-72mm. Retains NVCS / N-VCT variable intake cam timing. Kelford Cams recommend KVS04 valve spring.