Product Description
ICT Billet 3/8" NPT Brake Booster Vacuum Port Adapter Fitting for LS Truck Intakes
Fits 1999–2013 GM LS Truck Plastic Intake Manifolds | 4.8L, 5.3L, 6.0L, 6.2L | ICT Billet #551927-375NP
The ICT Billet 3/8" NPT Brake Booster Vacuum Port Adapter is engineered to convert the factory rear push-lock brake booster port on LS truck intake manifolds into a 3/8" NPT threaded connection. Designed for all OEM plastic LS truck intake manifolds featuring a rear push-lock brake booster port, this adapter makes it easy to add brake booster plumbing, vacuum accessories, or custom vacuum routing to your build. Machined in Wichita, Kansas from aerospace-grade, USA-produced billet aluminum, it delivers exceptional durability, precision fitment, and leak-resistant performance for LS swaps and performance applications.
Key Features
- ICT Billet Engineering: Designed and manufactured by ICT Billet for reliable, precision-fit LS truck intake adaptation.
- Push-Lock to 3/8" NPT Conversion: Adapts the OEM rear push-lock brake booster port to accept standard 3/8" NPT fittings for vacuum accessories or brake booster lines.
- Direct Push-In Fitment: Installs directly into the factory push-lock port, maintaining an OEM-style retention interface without modifications.
- Aerospace-Grade Billet Aluminum: CNC-machined in Wichita, Kansas from USA-sourced billet aluminum for strength, durability, and corrosion resistance.
- Package Includes: (1) ICT Billet 3/8" NPT adapter fitting — everything needed for installation.
Key Fitments
- Intake Manifold Compatibility: Fits 1999–2013 OEM GM plastic LS truck intake manifolds equipped with a rear push-lock brake booster port on 4.8L, 5.3L, 6.0L, and 6.2L engines.
- Engine Families: Works with LQ4, LQ9, L92, L9H, L94, L76, LY6, L96, LFA, LY5, LMG, LMF, LH6, LC9, LY2, L20, L33, LR4, LM7, L59, LH8, and LH9 LS-based truck engines.
- Swap & Custom Applications: Ideal for LS engine swaps, hot rods, and performance builds needing a clean, functional 3/8" NPT vacuum or brake booster port solution.
