Granatelli Motor Sports 3.00 Inch HD Clamp 318530

High-Pressure Quick-Release Coupler for Performance Intake and Boosted Systems

The Granatelli Motor Sports HD Tubing Coupler is a premium solution for high-performance and custom automotive applications requiring a secure, serviceable, and leak-free tubing connection. Designed with a unique pin-and-ball quick-release clamping system, this coupler delivers exceptional strength, reliability, and ease of use for boosted and naturally aspirated setups alike.

Precision Construction and Specifications

• Type: Straight coupler
• Material: T-6061 aluminum
• Finish: Black
• Inlet/Outlet Diameter: 3.000 in. (76.20 mm)
• Connection Angle: 12-degree bend interface
• Quantity: Sold individually

Performance-Driven Features

• Pin-and-ball quick-release clamping mechanism for fast service and secure retention
• Fully sealed, integrated joining system for leak-free performance
• Rated to withstand up to 800 psi and temperatures up to 400°F
• Vibration-resistant design for extreme performance environments
• Ideal for repeated assembly and disassembly without wear

Ideal Applications

• Turbocharged and supercharged intake systems
• High-boost and high-horsepower applications
• Custom intake fabrication and charge piping
• Clean, professional installations on naturally aspirated engines

Included Components

• Two weld-in ferrule sets with O-rings
• One precision-machined union sleeve
• One outer clamp assembly
• One ball/pin safety retention pin

Engineered for reliability under extreme pressure and heat, the Granatelli Motor Sports HD Tubing Coupler provides a clean, secure, and professional-grade connection for performance builders who demand strength, serviceability, and precision in their intake and boost plumbing.

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.