Description
Vibrant Performance 3″ HD Clamp to 3.5″ O.D. Aluminum Transition Weld Ferrule
Engineer seamless, boost-proof intake and intercooler piping transitions with the Vibrant Performance 12667 6061 Aluminum HD Clamp Transition Weld Ferrule.
Product Overview
Designed as an essential sub-component of the industry-leading Vibrant HD Clamping System (formerly VanJen), the Vibrant 12667 Transition Weld Ferrule combines three functions into a single precision-machined part. It functions simultaneously as an intake piping step transition, a solid clamping flange, and a reliable, leak-free alternative to standard silicone hose couplers.
CNC-machined from high-grade 6061 aluminum alloy, this ferrule allows fabricators to transition from 3.50″ (88.9mm) outer diameter charge piping directly to a 3.00″ (76.2mm) Vibrant HD Clamp assembly. Built to withstand extreme boost pressures up to 800 psi and high vibration environments, it includes a matching high-temperature rubber O-ring seal to guarantee airtight sealing across demanding motorsport applications.
Key Features
- ☑ Integrated Transition Design: Seamlessly steps down 3.50″ O.D. aluminum tubing to fit a 3.00″ Vibrant HD Clamp.
- ☑ 6061 Billet Aluminum Construction: Lightweight, durable, and easily weldable to aluminum intake and intercooler pipes.
- ☑ Boost-Proof O-Ring Seal: Supplied with a resilient high-temp O-ring for airtight sealing under elevated pressures up to 800 psi.
- ☑ Quick Release Capability: Integrates with VanJen / HD clamping quick-release assemblies for rapid maintenance and teardown.
- ☑ Silicone Hose Replacement: Eliminates coupler flex, blowout risks, and clutter in tight high-performance engine bays.
Why Buy From JP Racing?
As an authorized UK motorsport distributor, JP Racing stocks genuine Vibrant Performance fabrication components with quick UK dispatch and dedicated technical support for custom race builds.
Technical Specifications
| Brand | Vibrant Performance |
|---|---|
| Manufacturer Part Number (MPN) | 12667 |
| HD Clamp Size | 3.00″ (76.2 mm) |
| Matching Tube Size (O.D.) | 3.50″ (88.9 mm) |
| Material | 6061 Aluminum Alloy |
| Finish | Natural Machined Aluminum |
| Pressure Rating | Up to 800 PSI (when used with complete HD clamp assembly) |
| Included Seal | High-Temperature Rubber O-Ring |
What’s Included in the Box
- • (1) Vibrant Performance 6061 Aluminum Transition Weld Ferrule (3.00″ Clamp to 3.50″ Tube O.D.)
- • (1) High-Temperature Replacement O-Ring Seal
Built for rigorous motorsport conditions, Vibrant Performance fabrication products ensure supreme durability and fitment accuracy. Order your Vibrant 12667 ferrule today from JP Racing for expert UK customer service, rapid fulfillment, and comprehensive trackside supply.


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