Clutch Kit Clutch Pro KBM24021 JR41 The fresh air valve allows 254 4315 The fresh air valve allows for incoming charged fresh air from the turbo to be diverted safely into the exhaust manifold pre turbine wheel with the throttle at low opening angles to allow for safer spooling of the turbocharger without the potentially damaging throttle based late combustion event style anti lag that can induce high engine stresses and break connecting rods 02 D14Z4 1396 Petrol 66 kW 90 BHP (1997 Clutch Pro has a reputation throughout Australia and now in Europe for supplying the highest quality original equipment type clutch kits accessories and fitting tools