4G63 VR4 EVO 1-3 Camshafts 1-TX272 intercooler This is a Universal Vacuum

This is a Universal Vacuum operated vIWG Actuator with a 76mm diaphragm

40 and 45mm External Wastegates and applied it to the Internal Wastegate Actuator

The Turbosmart IWG75 Series of upgraded Actuators benefit from an increased ‘Working Ratio’ over the factory equipment resulting in improved boost response

RB belts have been known to stretch up to 8mm if not more and this has a serious effect on ignition timing

4G63 VR4 EVO 1-3 Camshafts 1-TX272 intercooler This is a Universal Vacuum272 272 11. 00mm 11. 00mm Valve Lift 272 The best all round performing motorsport cams. Suits racing engines in the 400 650hp range. 54 62mm turbo size range. For up to 8500rpm and 35psi boost Kelford Cams recommend valve spring KVS63 BTK.