300ZX (Z31) Upper Coolant Bulkhead VG30 allowing heat from the engine

allowing heat from the engine to directly transfer to the intake plenum

each plenum undergoes a rigorous 100PSI test before shipping

V-Band flanges for Crossover

The color will vary depending on the filament currently on hand

25 exhaust studs and the larger M10x1

300ZX (Z31) Upper Coolant Bulkhead VG30 allowing heat from the engineEucadian Performance is proud to offer a replacement upper coolant bulkhead for your Z31! The factory units have been exposed to water, coolant, and various chemicals for over 30 years, making them susceptible to rust and deterioration. These degraded residues can circulate within the cooling system and can lead to leaks and subpar cooling. Using Eucadian Performance's innovative solution, our replacement bulkheads are manufactured from high quality