HDi Clamps Australia: High-Performance Automotive Solutions
Discover the innovative HDi Clamps Australia, engineered for high-performance automotive needs. These clamps, available in a variety of sizes, offer unparalleled reliability, precision, and ease of use, perfect for demanding racing and fabrication applications. Embrace the ultimate in efficiency and durability with HDi Clamps Australia—your trusted solution for superior automotive performance.
HDi CLAMPS-Smart Design,Maximum And Performance




The HDi Clamp is an advanced high-pressure joiner for air or liquid conduits, built with precision from lightweight T-6061 aluminum (also available in stainless steel and titanium upon request). Designed for fabricators and performance professionals, this patented clamp sets a new standard in efficiency and durability with key innovations that surpass traditional solutions on the market.
More sizes avaiable in:1.0'',1.5'',2.0'',2.25'',60mm,2.5'',2.75'',3.0'',80mm,3.5'',4.0'',5.0''
**No Hinges, No Bolts, No Hassle**:
Unlike bulky alternatives, the HDi Clamp uses a patented self-locking design with no external fasteners. There’s nothing to loosen or misplace, ensuring fast, easy installation in the most demanding environments.
**Double O-Ring Seal**:
Featuring dual O-rings on a grooved sleeve for superior sealing, the HDi Clamp prevents leaks, even under extreme pressures and temperatures. The unique design provides a 360-degree rotational connection, giving fabricators more flexibility in challenging installations.
**Stronger Under Pressure**: HDi Clamp’s intelligent use of physics means the higher the pressure, the tighter it locks, offering unmatched vibration resistance—ideal for high-performance automotive applications.
**Quick-Release Convenience**:
With no need for extra locking components or union joints, the HDi Clamp ensures a quick-release function even in high-temperature or oily environments, simplifying maintenance and adjustments during races or builds.
**Extreme Durability**: Tested to withstand over 550 psi and operating temperatures above 250°C (with special O-rings), the HDi Clamp is engineered for extreme performance in intercooler piping, radiator piping ,turbo systems, and custom fabrication work.
**Precision Engineering for Performance Fabricators**
Available in a wide range of imperial and metric sizes (1" to 5" and growing), the HDi Clamp is tailored to meet the needs of the automotive racing industry. Whether you’re working with intercooler piping, cold air intakes, or custom liquid applications, HDi Clamp delivers unmatched reliability and performance.

Type of size | (A) Inside diameter | (B) Outside diameter | (C) Overall diameter | (D) Total width | Weight |
|---|---|---|---|---|---|
25mm/1.0'' | 25.5mm | 29mm | 38mm | 35.5mm | 45.5g |
38mm/1.5'' | 38.5mm | 42.2mm | 52mm | 35.5mm | 68.0g |
51mm/2.0'' | 51.2mm | 55.2mm | 65.3mm | 35.5mm | 91.0g |
57mm/2.25'' | 57.2mm | 61.2mm | 71.3mm | 35.5mm | 102.0g |
63mm/2.5'' | 63.2mm | 67.2mm | 77.3mm | 35.5mm | 108.5g |
60mm | 61mm | 64.5mm | 77.3mm | 35.5mm | 108.5 |
70mm/2.75'' | 70.2mm | 74.2mm | 84.3mm | 35.5mm | 121.5g |
76mm/3.0'' | 76.2mm | 80.2mm | 90.3mm | 35.5mm | 132.0g |
80mm | 80.2mm | 83.7mm | 96.2mm | 35.5mm | 144.5g |
88mm/3.5'' | 88.2mm | 92.2mm | 102.3mm | 35.5mm | 155.5g |
100mm/4.0'' | 100.2mm | 104.2mm | 114.3mm | 35.5mm | 172.5g |
125mm/5.0'' | 128.5mm | 132.2mm | 143mm | 35.5mm | 258.0g |
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