Engine block and head surfaces must be clean and properly prepared for the rings to seat correctly

COMPATIBILITY 2020+ Toyota MK5 GR Supra**Turbocharged 3

- Both "Hot Side" Charge Pipes

Porting involves modifying the intake and exhaust ports of the cylinder head to improve the flow of air and fuel into the combustion chamber and the expulsion of exhaust gases out of the chamber

Maintains use of Valvetronic and Dual VANOS systems

Stewart High Performance Water Pump, BMW M52TU / M54 Yaris Engine block and head surfacesThe Stewart High Performance Water Pump is a direct replacement pump designed to fit BMW M52TU M54 engines with no modifications necessary. That includes accepting the Factory Fan Clutch. The front of the Stewart High Performance Water Pump is stock appearing, but is twice as efficient than OEM water pumps. Features Include: Up to 20% increase of water flow over stock pump Twice as efficient as factory pump Much less parasitic drag than other pumps