TB48DE Camshafts 223-T264 264 9. 60mm 9. 55mm Valve Lift 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.