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HPS Performance Products 3-1/8" (80mm) x 3 Feet Black 4-Ply Reinforced Silicone Tube Coupler - HTST-3F-312-BLK
HPS Performance Products 3-1/8" (80mm) x 3 Feet Black 4-Ply Reinforced Silicone Tube Coupler - HTST-3F-312-BLK - Image 2 HPS Performance Products 3-1/8" (80mm) x 3 Feet Black 4-Ply Reinforced Silicone Tube Coupler - HTST-3F-312-BLK - Image 2

So, you’re looking at the HPS 3-1/8" (80mm) x 3 Feet Long High Temp 4-ply Reinforced Black Silicone Tube Coupler Hose. Let me tell you, this isn’t just any hose—it’s built to take a beating and keep on performing. If you’re into heavy-duty applications, this is your go-to. Whether you're working on a custom turbo setup or fabricating intercooler piping, this hose has got your back.

What I really appreciate about it is how well it handles high temperatures. We’re talking a range from -65°F to a scorching 350°F (that’s 177°C for those who prefer metric). This thing is engineered to meet and exceed SAEJ20 industry standards, so you know it’s ready for whatever you throw at it. The 4-ply reinforced design means it can handle high-pressure connections without flinching, which is crucial when you’re pushing your rig to the limits.

And let’s not forget about the practical side of things. The inside diameter measures 3.12" (80mm), while the outside diameter is around 3.55" (90mm). It’s a solid 3 feet long, giving you plenty of length for your projects. The wall thickness is about 4.5mm, so it’s sturdy without being overkill. Plus, it’s UV and ozone resistant, which is a nice touch if you're using it in marine or industrial settings.

Just a heads-up, though: this silicone hose isn’t compatible with fuel or oil, so keep that in mind when you’re planning your setup. Overall, if you need a reliable, high-temp hose that can handle the tough stuff, this HPS coupler is definitely worth considering.

  • Material: High Temperature 4-ply Reinforced Silicone
  • Color: Black
  • Max Temperature: 350°F
  • Wall Thickness: 4.5mm (+/- 0.5mm)
  • UV & Ozone Resistant: Yes
  • Oil & Fuel Resistant: No

In short, if you’re looking for a tough, reliable silicone tube that can handle the heat, this is it. You won’t be disappointed.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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About HPS Performance Products

HPS Performance Products is a leading manufacturer of aftermarket performance parts, fabrication components, and silicone hoses. HPS serves a number of different industries, including automotive, aerospace, construction, commercial truck/bus, marine, agricultural, turbo diesel, off-road, performance racing, general manufacturing, and water treatment. The company’s ability to fabricate custom-shaped multiply silicone hoses make it ideal for a wide range of applications. The multiply carcass makes HPS’ hose perfect for coolant and turbocharged pressure applications while the fluoro-silicone-lined hoses make it safe to be used with petroleum-based oil and fuel.

HPS Performance Products is committed to meeting its original goals of producing quality parts at competitive pricing and providing customer service responses in a personal, timely manner. All HPS products have been thoroughly tested on the dyno and track, and meet or exceed SAEJ20 standards. The HPS staff has solid expertise in the silicone hose department, which allows them to deliver standard size silicone hoses with same-day shipping. HPS’ highly skilled and knowledgeable team, paired with the latest state-of-the-art technology, ensures the brand’s continued success and reputation as a premier manufacturer in the industry 

HPS Quality Silicone Hoses

HPS Performance Products specializes in and is best known for manufacturing multi-application silicone hoses. HPS silicone hoses are carefully crafted from only the highest quality 4-ply reinforced high-temperature material. The hoses are available in the following varieties: straight coupler, 1-foot tube, 3-foot coolant tube, charge air cooler hose (CAC), hump coupler, reducer couple her, 45-degree elbow coupler and reducer, and 90-degree elbow coupler and reducer.

HPS Performance Products also carries performance silicone vacuum hoses and silicone heater hoses. You can choose silicone hoses in both standard inch and hard-to-find metric sizes. Stainless steel T-bolt clamps are available to match with the silicone hoses as well. In order to meet the high demand and shorten the turnaround time for its silicone hoses, up to 90 percent of the product is already in stock and ready to ship or pick up from HPS authorized dealers like Vivid Racing. 

HPS Performance Products at Vivid Racing

Vivid Racing carries a comprehensive lineup of HPS Performance Products for a number of different makes, models, and applications. Our extensive inventory of HPS parts includes aluminum tubing, cold air and short ram intakes, vacuum lines, hoses and clamps, intercooler pipes, radiator caps, and much more! If you have any questions regarding the items listed above or have fitment concerns, please contact our expert sales team at (480) 966-3040. We are here to help you through the entire purchase process and make it a pleasant experience.

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