Additional Images

Granatelli Motor Sports 4.00 Inch HD Clamp 318540

HD Clamp

318540
DOUBLE 0-RINGED CLAMSHELL CLAMP, 4.0" (102mm) Dual Seal, Double O-Ring Clamp Assembly
Was: $165.90
Sale: $157.60
Save: 5%
Save: $8.30

Qty:
Free Shipping Lower 48 states Over $100 (some exclusions may apply)

Description

Granatelli Motor Sports HD Tubing Coupler

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: 4.000 in. (102.00 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.

Application List

Universal

Details

Categories

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W7.0000” x H3.0000” x L6.0000”
  • Free Shipping Lower 48 states Over $100 (some exclusions may apply)