Speedmaster Chevy GM LS1 2pc Fabricated Ram Air 98mm 4 Bolt EFI Intake Manifold Polished

The Speedmaster 1-148-050 is a two-piece fabricated ram air intake manifold designed specifically for Chevy GM LS1 engines. Featuring a 98mm bore with 4-bolt EFI mounting configuration, this polished intake manifold delivers optimized airflow for improved engine performance and throttle response. The fabricated construction with ram air design supports both stock and modified LS1 builds seeking enhanced induction efficiency.

Crafted for direct fitment on LS1 powerplants, this intake manifold integrates seamlessly with EFI fuel injection systems. The polished finish provides a professional appearance while the two-piece design allows for easier installation and servicing. Ideal for street machines, performance restorations, and LS1-powered vehicles requiring a quality intake solution, this Speedmaster manifold is a proven choice for enthusiasts looking to maximize their engine's breathing characteristics.

Key Features & Benefits

• LS1 Specific Design: Purpose-built for Chevy GM LS1 engines with 4-bolt EFI configuration.
• 98mm Bore Size: Optimized 98mm bore diameter for balanced airflow and performance.
• Two-Piece Fabricated Construction: Split design enables easier installation and component access.
• Polished Finish: Professional-grade polished surface for visual appeal and corrosion resistance.
• Ram Air Configuration: Engineered ram air design promotes efficient air induction and throttle response.

Specifications

Ideal Applications

• LS1-powered street vehicles and performance builds
• Engine swaps requiring LS1 intake manifold replacement
• Performance restorations on Chevy and GM platforms
• Modified LS1 engines seeking optimized intake flow