262° 'EZ' power cams to suit a near stock engine with OEM valve spring. Good mid-range power gains and retains excellent throttle response. Suits OEM GT3540 turbo or 60-68mm turbo upgrade. Cam profile designed to be easy on the OEM valve spring, allowing up to 14psi boost up to stock rpm limit. For high mileage engines Kelford Cams recommend replacing valve spring with KVS40-K or equivalent.