Powerflex PFF66-222 Engine Torque Rod To Engine Bush Auto PetrolPowerflex PFF66 222 Engine Torque Rod To Engine Bush, Auto Petrol Part Number: PFF66 222 Product Notes (if required): Made in our Yellow 70A material, this bush fits automatic petrol cars from 2000 onwards. For automatic diesel cars, use PFF66 222R. A small increase in NVH, usually at idle, should be expected when stiffening the connecting mount between the engine transmission and chassis. The harder the material used, the greater the NVH transmitted.