Buick Motorsports Stage II Intake Manifold – GM Part #25500029

This authentic Buick Motorsports Stage II Intake Manifold (casting #25500029) is a rare, original GM performance component from the legendary Stage II racing program. Designed for serious Turbo Buick and motorsport applications, it delivers exceptional airflow and race-proven durability.

💎 Diamond OEM – Original Equipment Material

🔧 Specifications:
• GM Part #: 25500029
• Application: Buick Stage II V6 engines
• Material: Cast aluminum
• Configuration: 4-barrel square bore carb flange
• Design: High-flow single-plane intake
• Origin: Genuine Buick Motorsports engineering

📦 Includes:
• (1) GM Stage II intake manifold

Condition Notes:
• Genuine OEM piece with natural patina from storage
• Never ported, modified, or installed
• Excellent candidate for restoration or high-end build

💡 Why You Want It:
An ultra-rare, authentic Buick Stage II intake — essential for anyone building a true Buick Motorsports engine or completing an original Stage II collection.