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Honda B-Series DBW Adapter – Bosch 74mm Throttle Body 
 

In Stock – Ready to Ship
 

Bring modern throttle precision to your classic Honda platform.

The Ichiban Engineering Honda B-Series DBW Adapter allows you to install a Bosch 74mm electronic drive-by-wire throttle body directly onto your OEM or aftermarket B-Series intake manifold. Designed for tuners, fabricators, and ECU conversion enthusiasts, this adapter provides a clean, bolt-on solution for upgrading to a modern throttle system while maintaining OEM reliability and alignment.
 

Each Honda B-Series DBW Adapter is CNC-machined from aerospace-grade 6061-T6 billet aluminum, offering unmatched precision, strength, and an OEM-quality fit and finish. The internal transition is optimized for smooth airflow, ensuring consistent throttle response under boost or naturally aspirated conditions.
 

This adapter is a proven choice for B-Series engine swaps, standalone ECU builds, or anyone looking to integrate modern Bosch throttle control into their performance setup.
 

Key Features
 

  • Direct Bolt-On Conversion
    Adapts the OEM Honda B-Series throttle body flange to accept a Bosch 74mm DBW throttle body — no cutting or fabrication needed.

  • CNC Billet Aluminum Construction
    Machined from 6061-T6 aluminum for exceptional rigidity, durability, and perfect sealing.

  • O-Ring Sealed Design
    Prevents air leaks and ensures stable performance under both boost and vacuum.

  • Complete Hardware Kit
    Includes precision O-ring seal and stainless steel bolts for both manifold and throttle body sides.

  • Wide Manifold Compatibility
    Fits popular B-Series intake manifolds including Skunk2 Ultra Street, PracWorks Carbon, and K-Power Industries.
     

Ideal for Drive-By-Wire conversions, K-to-B swap projects, or standalone ECU builds, the Honda B-Series DBW Adapter modernizes your throttle system with race-grade reliability and OEM-level precision.
 

⚙️ Fits all Honda B-Series intake manifolds using standard bolt patterns.
📧 For technical inquiries or custom requests, contact sales@ichibanengineering.com

74mm Bosch DBW to Honda B-series Throttle Body Adapter

Rating is 5.0 out of five stars based on 1 review
SKU: HTAPB74R
$149.99Price
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    Reviews

    Rated 5 out of 5 stars.
    Based on 1 review
    1 review
  • andrew kitchingDec 01
    Rated 5 out of 5 stars.
    Verified
    Great adaptor!

    Prompt delivery, good quality and a perfect fit at an honest price point.

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