Features:
Made of high quality aluminum material for strength and durability.
Surface with anodized finish, anti-corrosion, rustless and not easy fading.
Ball & spring closed loop design, lock nut to prevent changes to adjustment, works with turbo charged vehicles. 
Compact size for easy placement in engine bay. 1-30 PSI adjustable.
Hardware and fittings are included ready for installation.
Three colors for your option.

Specifications:
Condition: 100% brand new
Material: aluminum
Color: black, gold, red (optional)
Maximum PSI: 30 PSI
Outside Diameter: 5.23mm
Surface Finish: anodized
Outlet Type: 4AN fittings to 1/4" hose
Quantity: 1pc
Size: shown as picture
Package Weight: approx.50g
Fitment: universal for turbo charged vehicles

Package List:
1 * Car Turbo Boost Controller

Note:
Please allow 0.2 inch error due to manual measurement, thanks for your understanding.