Factory GM aluminum valve covers originally used on intercooled 3.8L SFI Turbo engines. These covers retain the classic finned design and authentic casting marks, ideal for restorations or performance refreshes.
🟢 Green Dot – Good Used Condition (Breather Filter Not Included)
🔧 Specifications: • Manufacturer: General Motors (GM Original Equipment) • Casting Numbers: 25520187 / 25520250 • Application: 3.8L SFI Turbo V6 (RPO LC2) • Material: Cast aluminum • Finish: Raw natural aluminum (factory black finish stripped) • Configuration: – Driver side: Closed top – Passenger side: Breather provision with aluminum neck • Fitment: 1986–1987 Buick Regal Grand National, T-Type, Turbo T, GNX
📦 Condition Notes: • OEM castings – no cracks or structural damage • Factory baffles intact • Threads in great shape • Surface patina and oxidation from age (no major corrosion) • Breather filter shown in photo not included
💡 Why You Want It: Original GM covers are becoming increasingly rare. These are perfect for a driver restoration or as a base to powder coat or polish. The factory fins and breather neck give a clean, period-correct appearance that complements any Turbo Buick build.
