The Skunk2 Ultra Race Plenum Spacer – 2L Black is designed to increase the internal volume of Skunk2 Ultra Race Intake Manifolds for Honda K20 and K24 engines. By expanding the plenum capacity by 2 liters, this spacer enhances airflow distribution, improving top-end power and overall intake efficiency in high-performance applications.

Crafted from billet aluminum and finished in a durable black anodized coating, the spacer delivers both strength and corrosion resistance for long-term reliability. The added plenum volume allows for improved airflow velocity balance between cylinders, optimizing performance on engines equipped with aggressive camshafts, high-compression pistons, or forced induction setups.

This spacer kit includes longer hardware and precision-cut gaskets, ensuring a perfect seal and simple bolt-on installation. Whether you're building a competitive race engine or pushing your street K-series to the limit, the Skunk2 Ultra Race Plenum Spacer provides a measurable airflow and performance advantage.

Key Features:

• Increases Ultra Race Manifold Plenum Volume by 2 Liters

• Enhances High-RPM Airflow and Power Output

• Constructed from CNC-Machined Billet Aluminum

• Black Anodized Finish for corrosion resistance and sleek appearance

• Improves Cylinder Airflow Balance and Efficiency

• Ideal for Naturally Aspirated and Forced Induction Builds

• Includes Hardware and Gaskets for Direct Installation

• Perfect Fitment for K20 and K24 Ultra Race Manifolds

Technical Specifications:

• Material: CNC Billet Aluminum

• Finish: Black Anodized

• Plenum Volume Increase: +2.0 Liters

• Installation: Direct Bolt-On with Included Hardware and Gaskets

• Compatibility: Skunk2 Ultra Race Intake Manifolds

Vehicle Fitment:

Compatible with:

• Honda K20

• Honda K24

Applicable for Ultra Race manifolds such as:

• Ultra Race Intake Manifold K20A2 Style Silver (P/N 307-05-8000)

• Ultra Race Intake Manifold K20A2 Style Black (P/N 307-05-8055)

• Ultra Race Centerfeed Intake Manifold K20A2 Style (P/N 307-05-8080 / 8085)

Included:

• (1) 2-Liter Billet Aluminum Spacer (Black Anodized)

• (1) Gasket Set

• (1) Set of Extended Socket Head Hardware