FJ20 / FJ20DET to Weber & Jenvey 48mm DCOE Billet Adapter 
Engineered for performance and precision.
✅ Fully billet CNC-machined construction
✅ No welding, no die-casting – maximum strength and reliability
✅ Includes thermal Teflon gasket to help reduce heat transfer from the cylinder head to the throttle bodies/carburetors
✅ Includes vacuum block for easy vacuum signal distribution, making it ideal for MAP sensors, fuel pressure regulators, boost gauges, brake boosters, and ECU tuning applications
✅ Fits Weber, Jenvey, and other DCOE-pattern 48mm throttle bodies/carburetors
✅ Customizable internal diameter to suit your application
✅ Customizable anodized color options available
✅ Worldwide shipping available
Built for enthusiasts who demand quality, flow, and a clean installation.