The Skunk2 Ultra Race Plenum Adapter Gasket is designed as a direct replacement for Skunk2 Ultra Race Intake Manifolds used on Honda B-Series and D-Series engines. This precision-cut gasket sits between the plenum base adapter and the intake runners, ensuring an airtight and durable seal for optimal airflow efficiency.

Crafted from high-quality, heat-resistant composite material, the gasket is built to withstand the extreme temperatures and pressures found in high-performance racing applications. Whether replacing a worn gasket during maintenance or completing a new Ultra Race manifold installation, this component ensures consistent sealing and maximum performance from your Skunk2 intake system.

Engineered to OEM-level precision and performance-tested under demanding conditions, the Skunk2 Ultra Race Plenum Adapter Gasket helps maintain proper intake pressure balance—essential for racers and enthusiasts seeking reliable, repeatable power.

Key Features:

• Direct Replacement for Skunk2 Ultra Race manifold-to-plenum base adapter seal

• Precision-Cut for a Perfect Fit on B-Series and D-Series manifolds

• Heat-Resistant Composite Construction ensures durability under extreme conditions

• Prevents Air and Vacuum Leaks for consistent power delivery

• Designed for High-Performance Applications

• Compatible with Naturally Aspirated and Forced Induction Builds

• Ideal for Rebuilds, Upgrades, or Maintenance

Technical Specifications:

• Material: High-temperature composite gasket material

• Fitment Type: Ultra Race Intake Manifold plenum adapter interface

• Application: For B-Series and D-Series engines

• Installation: Direct bolt-on replacement, no modification required

Vehicle Fitment:

Compatible with the following Honda engines:

• B-Series: B16A/B, B17A, B18C

• D-Series: D15B, D15Y, D16Y, D16Z

Included:

• (1) Ultra Race Plenum Adapter Gasket