Vibrant Horizontal Flow Air Intercooler Core 25in Width x 11.75in Height x 4.5in Thick

Maximum Thermal Efficiency in a Compact Bar-and-Plate Package

The Vibrant 12963 is a horizontal flow air-to-air intercooler core built for high-output turbocharged and supercharged builds that demand serious charge cooling without compromise. At 25 inches wide, 11.75 inches tall, and 4.5 inches thick, the Vibrant 12963 core delivers exceptional thermal capacity in a form factor that fits a wide range of custom intercooler fabrication projects. The bar-and-plate construction provides superior structural integrity and heat dissipation compared to tube-and-fin designs, making it a preferred choice for track, drag, and high-boost street applications.

Key Features

• Horizontal flow design routes charge air from one end to the other for efficient, low-restriction airflow
• Bar-and-plate construction offers superior strength and heat rejection versus tube-and-fin cores
• Louvered fin design on the ambient (air) path maximizes available surface area for maximum cooling
• Offset fin design on the charge path minimizes pressure drop for improved throttle response
• All-aluminum construction keeps weight low while providing excellent thermal conductivity
• Core-only design allows full freedom to build custom end tanks, inlets, and outlets to fit your specific application
• Rated for approximately 1,100 HP worth of charge air cooling capacity
• Compatible with any turbocharged or supercharged application requiring a front-mount or top-mount intercooler

Specifications

What’s Included

• 1x Vibrant 12963 horizontal flow bar-and-plate intercooler core (25in x 11.75in x 4.5in)

Frequently Asked Questions

What is the difference between a bar-and-plate and a tube-and-fin intercooler core?

Bar-and-plate cores like the Vibrant 12963 are constructed from individual bars and plates brazed together, which makes them more rigid, more resistant to damage, and generally more efficient at shedding heat than tube-and-fin cores. Tube-and-fin cores are lighter and less expensive but cannot match the durability and cooling capacity of bar-and-plate construction in high-boost applications.

Does the Vibrant 12963 come with end tanks or inlet and outlet fittings?

No. The 12963 is a core-only unit with no end tanks, inlet necks, or outlet connections included. This allows fabricators and builders to weld or attach custom end tanks sized to their specific piping and charge pipe routing requirements.

What is horizontal flow versus vertical flow in an intercooler core?

In a horizontal flow core like the Vibrant 12963, compressed charge air enters one side of the core and exits the opposite side, flowing horizontally through the core. Vertical flow cores direct charge air from the top down to the bottom or vice versa. Horizontal flow is the most common orientation for front-mount intercooler applications.

What horsepower level can the Vibrant 12963 support?

The 12963 is rated to support approximately 1,100 horsepower worth of charge air cooling. Actual results depend on ambient temperature, boost pressure, inlet charge temperature, and airflow through the core, but this makes the 12963 an excellent choice for serious high-boost turbocharged builds.

Can I use this core for a top-mount intercooler on a forced induction engine?

Yes. The 12963 core is universal and can be adapted to front-mount, top-mount, or side-mount intercooler configurations with appropriate custom end tanks and piping. The horizontal flow orientation is particularly well-suited for front-mount placement behind the grille.

What charge piping diameter will work with this intercooler core?

The 12963 is a core only, so the inlet and outlet diameter is determined entirely by the end tanks you fabricate or purchase separately. Common configurations use 2.5 inch to 3.5 inch charge pipe diameters depending on the application and airflow requirements.

Is the Vibrant 12963 compatible with both turbocharged and supercharged applications?

Yes. The 12963 is fully compatible with any forced induction application including turbochargers, centrifugal superchargers, roots-type superchargers, and twin-screw superchargers. The bar-and-plate construction handles the heat soak cycles that are especially demanding in supercharged applications.

How does the louvered fin design on the ambient path improve cooling performance?

The louvered fin design on the ambient (outside air) path creates turbulence that breaks up the boundary layer of air traveling through the fins, increasing the rate of heat transfer from the core to the passing ambient air. This results in lower charge air outlet temperatures compared to straight-fin designs of the same size.

Does this core require any preparation before welding end tanks?

It is recommended to clean all mating surfaces thoroughly before welding to ensure a leak-free seal. Vibrant cores are designed for TIG welding with standard aluminum filler rod. Inspecting the core for any damage prior to installation is also advised.

Installation Notes

1. Measure and plan end tank dimensions to match your charge pipe inlet and outlet sizes before fabrication.
2. Clean the mating surfaces on both ends of the core with appropriate aluminum prep solution before welding.
3. TIG weld custom aluminum end tanks to both sides of the core, ensuring full penetration and a leak-free seal.
4. Pressure test the assembled intercooler to a minimum of 30 PSI before installation to verify integrity.
5. Mount the assembled intercooler securely in the vehicle using appropriate brackets, isolating it from engine vibration where possible.
6. Connect charge pipes to the inlet and outlet with properly clamped silicone couplers.
7. Verify that airflow through the core is not obstructed by bodywork, splitters, or other components.

WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.