SUBARU HEAD STUD KIT IMPREZA WRX STI EJ20 2.0L & EJ25 2.5L DOHC ENGINES

ULTRA CLAMPING FORCE

Unleash the full potential of your diesel engine with head studs designed to for ultra-high clamping force that greatly exceeds the standard, factory-made bolts. These studs are engineered to retain the cylinder seal even under the extreme pressure of today's high-performance turbo systems.