Granatelli 4.00 Inch Ferrule HD Clamp 318540FS

Dual Seal Clamp 4.0" (102mm) Weld-on Ferrule Set - Stainless Steel

Granatelli Motor Sports Dual Seal Clamp 4.00" Weld-On Ferrule Set – Stainless Steel

SKU: 318540FS

4.00 Inch (102mm) Stainless Steel Ferrule Set for Dual Seal Tubing Coupler Systems

The Granatelli Motor Sports Dual Seal Clamp 4.00" Weld-On Ferrule Set – Stainless Steel is engineered for extreme-performance and forced-induction applications where durability, heat resistance, and sealing integrity are critical. Designed for use with Granatelli Dual Seal clamping systems, this ferrule set provides a precision-machined sealing surface capable of handling high boost, elevated temperatures, and harsh operating environments.

Precision Construction and Specifications

• Ferrule Set Type: Straight
• Material: Stainless Steel
• Finish: Natural Stainless
• Inlet Diameter: 4.00 in. (102.00 mm)
• Outlet Diameter: 4.00 in. (102.00 mm)
• Quantity: Sold individually (set of 2 ferrules)

Designed for Extreme Heat and Boost

Manufactured from high-quality stainless steel, these weld-on ferrules offer superior resistance to heat, corrosion, and fatigue, making them ideal for large-diameter turbo intake systems, charge piping, and exhaust-adjacent plumbing. Once welded in place, the ferrules create a secure, repeatable sealing surface that integrates seamlessly with Granatelli’s Dual Seal clamp assemblies to prevent boost leaks and maintain consistent airflow.

This stainless steel ferrule set is the preferred choice for builders working with stainless tubing or operating in high-temperature environments where aluminum components may not be suitable.

Ideal Applications

• Large-frame turbocharged and supercharged systems
• High-boost street, strip, and race vehicles
• Stainless steel intake and charge pipe fabrication
• Replacement or spare ferrule sets for Dual Seal clamp systems

Built to Granatelli Motor Sports’ exacting standards, the Dual Seal Clamp 4.00" Stainless Steel Weld-On Ferrule Set delivers professional-grade sealing, durability, and performance for the most demanding forced-induction applications.

• SKU: 318540FS
• Item #: 318540FS
• UPC #: 802735041132
• Brand: Granatelli Motor Sports
• Condition: New