Granatelli HD 3.00 Inch Clamshell - 318530CS

Granatelli HD 3.00 Inch Clamshell - 318530CS

Granatelli Motor Sports Dual Seal HD 3.0 Inch Tubing Coupler Clamp

SKU: 318530CS

Heavy-Duty Quick-Release Clamshell Clamp for Turbo and Performance Intake Systems

The Granatelli Motor Sports Dual Seal HD 3.0 Inch Tubing Coupler Clamp is engineered for high-performance and turbocharged applications where secure sealing, durability, and fast serviceability are essential. Manufactured exclusively from T-6061 aluminum, this clamp delivers superior strength while maintaining a lightweight profile for performance builds.

Featuring Granatelli’s patented pin-and-ball quick-release clamping mechanism, this clamshell-style clamp provides a positive locking connection that resists vibration, boost pressure, and thermal expansion. Designed for 3.0-inch (76mm) aluminum tubing couplers, it ensures consistent sealing in high-boost turbo intake and charge pipe systems.

Product Specifications

• UPC: 802735040982
• Tubing Coupler Type: Straight
• Material: T-6061 Aluminum
• Finish: Black
• Inlet Diameter: 3.000 in. (76.00 mm)
• Outlet Diameter: 3.000 in. (76.00 mm)
• Quantity: Sold individually

Performance Features

• Dual-seal HD design for leak-free boost retention
• Pin-and-ball quick-release system for fast assembly and disassembly
• Vibration-resistant under extreme turbo boost and engine movement
• Maintains sealing integrity under high pressure and high temperature
• Ideal for repeated service without clamp fatigue or wear

Included Components

• One heavy-duty outer clamp assembly
• One ball/pin safety retention pin

Designed for professional fabricators and performance enthusiasts, the Granatelli Motor Sports Dual Seal HD 3.0 Inch Clamshell Clamp is the perfect solution for turbocharged intake systems, charge piping, intercooler connections, and high-horsepower forced-induction builds. When reliability, serviceability, and performance matter, Granatelli Motor Sports delivers.

Key Features & Benefits

• Application-focused Granatelli Motor Sports design
• Built for dependable performance and service
• Designed for enthusiasts, professional installers, and performance builds

Fitment & Installation

Confirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.

Frequently Asked Questions

How do I confirm fitment?
Match the part number and listed application to your vehicle, engine, dimensions, and supporting components before ordering.

Will this work on a modified vehicle?
Compatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.

Why Choose Granatelli Motor Sports?

Granatelli Motor Sports develops performance components for real-world street, street/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.