The Granatelli Motor Sports Dual Seal HD 4.0 Inch Tubing Coupler Clamp is built for extreme-performance applications where maximum airflow, boost retention, and reliability are non-negotiable. Precision-machined from T-6061 aluminum, this clamp is engineered to handle the demands of high-horsepower turbocharged and forced-induction systems while maintaining a clean, professional appearance.
Featuring Granatelli’s patented pin-and-ball quick-release clamping mechanism, this clamshell-style clamp provides a secure mechanical lock that resists vibration, heat cycling, and extreme boost pressure. Designed for 4.0-inch (102mm) tubing couplers, it delivers consistent, leak-free sealing in large-diameter intake and charge pipe systems.
Designed for professional fabricators, racers, and serious performance enthusiasts, the Granatelli Motor Sports Dual Seal HD 4.0 Inch Clamshell Clamp is the ideal solution for large-frame turbo systems, high-boost charge piping, intercooler connections, and extreme horsepower builds. When airflow, strength, and serviceability matter most, Granatelli Motor Sports delivers proven performance.
