SKU: 12473
Vibrant Performance LS DBC 92mm Throttle Body to 4in HD Adapter
The Vibrant Performance 12473 LS DBC 92mm Throttle Body to 4in HD Adapter high-flow throttle body adapter for LS engines with drive-by-cable (DBC) 92mm throttle bodies. Precision-machined aluminum construction with a smooth transition to 4-inch intake tubing delivers maximum airflow, minimal turbulence, and perfect sealing. The ultimate intake adapter upgrade for any LS swap, boosted LS build, or high-horsepower application seeking improved throttle response, increased power, and reliable performance.
Key Features
- 92mm LS DBC Throttle Body to 4in HD Adapter Direct conversion from 92mm drive-by-cable LS throttle body to 4-inch intake tubing
- High-Flow Design Smooth internal transition minimizes turbulence and maximizes airflow
- Billet Aluminum Construction Lightweight, durable, and precision-machined for perfect fitment
- Heavy-Duty (HD) Flange Reinforced for boosted and high-horsepower applications
- Easy Installation Bolt-on adapter with all necessary hardware included
| Spec | Detail |
|---|---|
| Part Number | 12473 |
| Brand | Vibrant Performance |
| Type | LS DBC 92mm Throttle Body to 4in HD Adapter |
| Material | Billet Aluminum |
| Throttle Body | 92mm LS Drive-By-Cable (DBC) |
| Outlet | 4 inch |
| Compatibility | LS engine swaps and performance builds |
| Country of Origin | Canada |
| Warranty | Vibrant Performance Limited Warranty |
Whats Included
- 1 x Vibrant 92mm LS DBC to 4in HD Throttle Body Adapter
- Mounting hardware
- Installation instructions
Product Notes
- Designed for LS engines using a 92mm drive-by-cable throttle body
- Ideal for high-horsepower naturally aspirated or boosted setups
- Heavy-duty flange ensures secure connection under high boost
Installation Notes
- Bolt-on adapter installation between throttle body and 4-inch intake tubing
- Estimated time: 1530 minutes
- Professional installation recommended with proper torque and sealing
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| Universal | GM LS Engines | LS swaps and performance builds | 92mm DBC throttle body applications | 92mm LS to 4in HD adapter |
Why Choose Vibrant Performance Throttle Body Adapters?
- 1 choice for high-flow, precision-machined intake adapters
- Built & tested in Canada
- Chosen by LS builders for smooth airflow, reliable sealing, and maximum performance
Frequently Asked Questions
- Q: Does this adapter fit my 92mm LS throttle body?
A: Yes, specifically designed for 92mm drive-by-cable (DBC) LS throttle bodies to 4-inch intake tubing. - Q: Is it suitable for boosted applications?
A: Yes, heavy-duty flange and smooth transition handle high boost levels effectively. - Q: What size intake tubing does it connect to?
A: 4-inch (101.6mm) intake tubing.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock ships same or next business day
- Packaging: Official Vibrant Performance retail box








