Here is the HPS 2.5″, 2.75″ (63mm, 70mm) ID, 3″ Long Black 4-Ply Reinforced Silicone 1/2″ Offset Reducer Coupler Hose, listed with the specifications that actually decide whether it fits.

Petroleum contact requires the correct lining, so fuel and oil routing needs the right specification. Keep petroleum away from standard silicone unless the hose is lined for it.
If your build is unusual, tell us and we will confirm the 3 long black 4-ply reinforced against it.
The 3 long black 4-ply reinforced ships protected, because a damaged part helps nobody.
Drivers choose the 3 long black 4-ply reinforced here for honest specification detail and quick dispatch.
Buyers comparing the 3 long black 4-ply reinforced will find the specification detail on this page rather than in a catalog footnote.
The 3 long black 4-ply reinforced listed here is checked against your vehicle before dispatch.
Every 3 long black 4-ply reinforced order goes through the same fitment review.
Ordering the 3 long black 4-ply reinforced takes a minute and the confirmation reaches you straight away.
At a glance
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Black
- Category: Universal Hose
- Price: $40.16 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 2-1/2″, 2-3/4″ (63mm, 70mm), 3″ Long High Temp 4-ply Reinforced Black Silicone Offset Reducer Coupler Hose meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. HPS performance silicone Offset Reducer Coupler Hose is designed and engineerd to meet high performance requirements specified in various industry standards, therefore make it great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system.
Technical Specification
Product Type: Silicone Offset Reducer Coupler Hose
Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C)
Reinforced Layer: 4-ply
Hose Inside Diameter: 2.5″, 2-3/4″ (63mm, 70mm)
Hose Outside Diameter: 2.87″, 3.12″ (73mm, 80mm)
Hose Length: 3″
Offset from the centers: 1/2″
Wall Thickness: 5mm (+/- 0.5mm)
Color: Black
UV and ozone resistant
Remark: Silicone hose is NOT compatible with fuel or oil.
- Material: 4-Ply Reinforced Silicone
- Color: Black
- Made of High Temperature 4-ply Reinforced Silicone
- Meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications
- Great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system
- UV and ozone resistant
- Silicone hose is NOT compatible with fuel or oil
Application:
Universal Fit
Remark:
Installation: Compatible with Water/Coolant ONLY, Not for Fuel/Oil
Product Content:
- 1 x Offset Reducer Coupler Hose
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- HTSOR-250-275-BLK, HTSOR250275BLK
Every order gets a fitment review before dispatch, and anything doubtful gets a message rather than a shipment.
Customers also open: Hoses & Fittings · HPS 3.12″ (80mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · HPS 3.12″ (80mm) ID, 4″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · full catalog
Delivery estimates appear at checkout for your address, with no padding added to the carriage price.
A neutral reference for this work is the Car Care Council maintenance tips.
Questions we get about this part
Is fitment guaranteed on this listing?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How fast does this ship?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
What happens if it arrives damaged?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
Is the part inspected before dispatch?
We verify diameter and reinforcement specification on every hose order.
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