subaru ej-series flagship

Product Overview & Specifications

• Stock Factory EJ257 STI Verified: NOT Cosworth performance build (separate listing)
• All 4 Cylinders Compression Tested: Quality verified
• VF48 Turbocharger Condition Verified: Shaft play, oil seals, bearing condition
• Dual AVCS Variable Valve Timing Tested: Intake AND exhaust camshafts
• Forged Connecting Rods Verified: STI-specific upgrade vs EJ255 cast rods
• Block Deck Type Identified: Open-deck (GD chassis) or semi-closed deck (GR/GV/VA)
• Ringland Condition Assessed: The critical EJ-turbo service item
• Banjo Bolt Screen Checked: Turbo oil supply integrity
• Donor Vehicle Confirmed: WRX STI specifically with chassis generation
• Cross-Reference Across Generations: GD / GR/GV / VA STI compatibility
• WRX STI Performance Build Consultation: Cosworth EJ257 comparison guidance
• Free Shipping All 50 States: Freight pallet delivery
• No Core Charge: Keep your old engine
• 15 Day Warranty: Internal defects covered