300ZX (Z31) Upper Coolant Bulkhead VG30 25 exhaust studs and the

25 exhaust studs and the larger M10x1

Confirmed fitment includes Holset HY35 and Borg Warner S362SX-e turbochargers

Say goodbye to the bulky plastic factory cap and embrace the sleek and sophisticated design of our 6061 aluminum cap

making them an excellent replacement to the original part

300ZX (Z31) Upper Coolant Bulkhead VG30 25 exhaust studs and theEucadian 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