Yella Terra Ford Boss 5.4 Hi-Flow Plenum Lid — Black — YT 5400LIDBK

Yella Terra’s Hi-Flow plenum lid is a high-volume intake upgrade for Ford 5.4L Boss V8 applications including Boss 260, 290, 302 and 315 combinations. It is suitable for naturally aspirated, turbocharged and supercharged builds using the compatible Boss intake architecture.

Hi-Flow plenum design

• Approximately 20% greater plenum volume than the factory lid.
• Yella Terra reports up to approximately 95% greater airflow through the lid in its testing.
• Accepts the factory twin 60 mm throttle body, Whipple twin 68 mm throttle body or compatible mono-blade arrangements.
• Retains factory fittings and MAP-sensor provision.
• Retains the factory engine-cover mounting plate.
• Black powder-coated finish.

Throttle body: Not included. Confirm throttle-body, intake-pipe and calibration requirements for the complete engine combination.

Supplier

Yella Terra

Product System

• Engine Parts
• Intake

Vehicle Fitment

• Ford Falcon Ba Bf Boss 5 4
• Ford Falcon Fg Boss 5 4

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.

Supplier Part Number

YT 5400LIDBK

Built by Boost & Tune Support

BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.