The Skunk2 Ultra Street Plenum Spacer (Silver) is designed to increase the internal volume of Skunk2’s Ultra Series Street Intake Manifolds by 0.50 liters, enhancing airflow efficiency and overall engine performance. Crafted from high-quality billet aluminum, this precision spacer helps improve mid-range power and top-end performance by allowing a greater air charge within the plenum.

Ideal for both Honda B-Series and K-Series applications, this spacer is a proven upgrade for enthusiasts looking to extract every bit of performance from their Skunk2 Ultra Street manifold. The kit includes longer socket-head hardware and custom gaskets to ensure a precise, leak-free installation.

Engineered and machined in-house by Skunk2, this plenum spacer is the perfect complement to any street or race build seeking increased plenum volume without sacrificing throttle response or drivability.

Key Features:

• Increases Plenum Volume by 0.50 Liters for improved airflow and performance

• CNC-Machined Billet Aluminum Construction for precision and durability

• Compatible with Ultra Series Street Intake Manifolds for B-Series & K-Series engines

• Enhances Mid-Range Power and Top-End Efficiency

• Includes Gaskets and Longer Hardware for easy installation

• Anodized Silver Finish for corrosion resistance and clean appearance

• Direct Bolt-On Installation – no modifications required

Technical Specifications:

• Material: CNC Billet Aluminum

• Finish: Silver Anodized

• Plenum Volume Increase: +0.50 Liter

• Compatibility: Ultra Street Intake Manifolds (B-Series and K-Series)

• Includes: Spacer, extended socket-head bolts, and gaskets

Vehicle Fitment:

Compatible with the following Honda engine platforms:

• Honda B16A/B

• Honda B17A

• Honda B18C

• Honda K20

• Honda K24

Included:

• (1) 0.50-Liter Billet Aluminum Plenum Spacer

• (1) Set of Longer Socket-Head Bolts

• (1) Set of Gaskets