272° high lift cams for high performance engines. Suits 64mm+ turbos. Great with a 3L bottom end. Ideal for high power street/drift or track cars. Retains good throttle response with NVCS. Cylinder head may require machining for clearance of high lift cam lobes. OEM base circle diameter. Yoke style trigger fitted to the exhaust cam for CAS. Kelford Cams recommend valve spring KVS25NEO.