Cat Eye Tire Pressure System

Cat’s Eye Tire Pressure Maintenance System

SAVE GAS!   Easily see low tire pressure your dual tire!  Complete Dual Tire Pressure Equalization Systems shipped directly to you.  Great for Motorhome, Pickup, Semi Tractor and Semi Trailer Dual Tires.

LinkCa2With just a glance, dual tire pressures can be checked on efficient walk-arounds with the Cat’s Eye tire pressure inflation system.  This dual tire pressure equalization system works well to reduce tire wear and save fuel costs.

The Cat’s Eye makes it easy to see if your tires are underinflated. This system attaches to the dual’s hub or lug bolt and allows air transfer from one tire to the other. Its single airing point fills both tires at once, making the job quick, clean and easy. With just a glance, you’ll instantly see changes in tire pressure.

The bright yellow “eye” of the Cat’s Eye, opens up slightly if dual tire pressure falls 10-15% below the recommended pressure setting. If corrective action is not taken, the “eye” will open up completely, activating the internal check valve. The internal check valve will prevent the good tire from going flat in the case of a tire blowout or a broken pressure hose.

Cat’s Eye is available with rubber or stainless steel hoses in lengths of 12 (17.5 tires or less and Super Single Tires), 14″ (19.5 tires) or standard 16″ (22.5 and 24.5 tires).

Are you willing to bet your profits that your inside duals are not under inflated? Underinflation is the single most costly element of tire maintenance. Even small pressure losses are not only costly–they can prove dangerous, playing havoc with schedules, profits, and safety.  Underinflated tires cause unnecessary heat to prematurely damage tire casings, eat away tire tread and increase rolling resistance. The penalty is high–higher fuel bills, less miles per tire, inability to retread casing and sometimes missed deadlines.  As costly as that is, most drivers are not prepared to baby sit the pressure in those tires. It is a dirty, time consuming task. Drivers need a reliable way to be aware of low tire pressures in a cost effective manner.

  1. Installation Instructions
  2. Troubleshooting
  3. Parts
  4. Product Registration
  5. Warranty

Stop wheel hop and vibrations on hub piloted wheels!     Wheel Centering Products.   You can also add a Tire Pressure System with the Cat Eye kits!   See the pressure of your tires from inside your cab or truck!      TST Tire Pressure Monitoring System

How do they work?

Cat’s Eye tire monitor makes it easy to see if your dual tires are under inflated. This system attaches to the dual’s hub or lug bolt and allows air transfer from one tire to the other. Its single airing point fills both tires at once, making the job quick, clean and easy. With just a glance, you’ll instantly see changes in tire pressure. When the “eye” is completely closed, the tires are within 2% of recommended pressure and are equalized   As the “eye” begins to open, the pressure has dropped 5-6%, a sign of a slow leak.  When the “eye” is completely open, the pressure has dropped 10% under the recommended pressure and needs immediate attention. At this point, the internal check valve is activated, isolating the good tire from additional pressure loss.  The Cat’s Eye internal check valve prevents both tires from going flat in the event one tire develops a leak, blows out or when one of the pressure.

Simple Steps to Install

Installing the gauge is a quick and easy process. The new seal will stand up to sharp valve stem edges and repeated installations. Cat’s Eye comes with wheel and hub mounting brackets Position valve stems 180° across from each other

Make sure they are clean and in good operating condition.  Attach the Cat’s Eye gauge to the wheel or hub with the appropriate mounting bracket Finger tighten hose ends, inside tire first, until you hear the seals take hold.

Give each fitting an extra 1/2 turn to ensure a tight seal. Then bubble test. (See the complete installation instructions when installing Cat’s Eye.)

Advantage of Equalized Tire Pressure

If the pressure in your duals is not the same, the diameter of the tires will not be equal. Since duals are bolted together, the smaller tire is going to be dragged by the larger tire.

Case Study by Bridgestone:

When the inside tire has a mere 5 psi less than the outer tire:


1. The diameter of the inner tire is 5/16” less than the outer tire.

2. With a 5/16” difference in diameters, the outer tire will cause the inner tire to drag 13′ per mile.

3. In just 35,000 miles, the tread of the smaller tire will have been scuffed off for 86 miles.

4. The added resistance makes BOTH tires wear faster.  If the pressure difference is greater, so is the damage. The easiest way to insure that both tires are equal size, is to equalize the pressure.

Tire manufacturers estimate a loss of $177 per year due to treadwear and fuel costs for each tire running 30% underinflated.

The Cat’s Eye (tire pressure maintenance system) is available in packages of 2 or 4, rubber or stainless steel hoses and in 12″, 14″ and 16″ lengths.  Click part number to order online.  Note – will not work with wheel simulators.

16″ Hoses – used normally on 22.5 and 24.5 tires

14″ Hoses – used normally on 19.5 tires

12″ Hoses – used normally on 17.5 dual tires  or Super Single Tires



PSIHose Length/Tire SizeRubber Hoses    
2 Unit  Bubble Pack
Stainless Steel Hoses 
2 Unit Bubble Pack
Rubber Hoses    
4 Unit Box
Stainless Steel Hoses
4 Unit Box
6016"-22.5/24.5 6060-AA00 6060-AB00 6060-BA00 6060-BB00
6516"-22.5/24.5 6065-AA00 6065-AB00 6065-BA00 6065-BB00
7016"-22.5/24.5  6070-AA00 6070-AB00 6070-BA00 6070-BB00
7516"-22.5/24.5 6075-AA00 6075-AB00 6075-BA00 6075-BB00
8016"-22.5/24.5 6080-AA00 6080-AB00 6080-BA00 6080-BB00
8516"-22.5/24.5   6085-AA00 6085-AB00 6085-BA00 6085-BB00
9016"-22.5/24.5 6090-AA00 6090-AB00 6090-BA00 6090-BB00
9516"-22.5/24.5 6095-AA00 6095-AB00 6095-BA00 6095-BB00
10016"-22.5/24.5  6100-AA00 6100-AB00 6100-BA00 6100-BB00
10516"-22.5/24.5   6105-AA00 6105-AB00 6105-BA00 6105-BB00
11016"-22.5/24.5 6110-AA00 6110-AB00 6110-BA00 6110-BB00
11516"-22.5/24.5 6115-AA00 6115-AB00 6115-BA00 6115-BB00
12016"-22.5/24.5 6120-AA00 6120-AB00 6120-BA00 6120-BB00
12516"-22.5/24.5  6125-AA00 6125-AB00 6125-BA00 6125-BB00
6014"-19.5 Duals6060-AE006060-AG006060-BE006060-BG00
6514"-19.5 Duals6065-AE006065-AG006065-BE006065-BG00
7014"-19.5 Duals6070-AE006070-AG006070-BE006070-BG00
7514"-19.5 Duals6075-AE006075-AG006075-BE006075-BG00
8014"-19.5 Duals6080-AE006080-AG006080-BE006080-BG00
8514"-19.5 Duals6085-AE006085-AG006085-BE006085-BG00
9014"-19.5 Duals6090-AE006090-AG006090-BE006090-BG00
9514"-19.5 Duals6095-AE006095-AG006095-BE006095-BG00
10014"-19.5 Duals6100-AE006100-AG006100-BE006100-BG00
10514"-19.5 Duals6105-AE006105-AG006105-BE006105-BG00
11014"-19.5 Duals6110-AE006110-AG006110-BE006110-BG00
11514"-19.5 Duals6115-AE006115-AG006115-BE006115-BG00
12014"-19.5 Duals6120-AE006120-AG006120-BE006120-BG00
12514"-19.5 Duals6125-AE006125-AG006125-BE006125-BG00
6012"-17.5 Duals 6060-AF006060-AH006060-BF006060-BH00
6512"-17.5 Duals6065-AF006065-AH006065-BF006065-BH00
7012"-17.5 Duals6070-AF006070-AH006070-BF006070-BH00
7512"-17.5 Duals6075-AF006075-AH006075-BF006075-BH00
8012"-17.5 Duals6080-AF006080-AH006080-BF006080-BH00
8512"-17.5 Duals6085-AF006085-AH006085-BF006085-BH00
9012"-17.5 Duals6090-AF006090-AH006090-BF006090-BH00
9512"-17.5 Duals6095-AF006095-AH006095-BF006095-BH00
10012"-17.5 Duals6100-AF006100-AH006100-BF006100-BH00
10512"-17.5 Duals6105-AF006105-AH006105-BF006105-BH00
11012"-17.5 Duals6110-AF006110-AH006110-BF006110-BH00
11512"-17.5 Duals6115-AF006115-AH006115-BF006115-BH00
12012"-17.5 Duals6120-AF006120-AH006120-BF006120-BH00
12512"-17.5 Duals6125-AF006125-AH006125-BF006125-BH00
6012" - Super Single 6060-AC00 6060-AJ006060-BC006060-BJ00
6512" - Super Single 6065-AC006065-AJ006065-BC006065-BJ00
7012" - Super Single 6070-AC006070-AJ006070-BC006070-BJ00
7512" - Super Single 6075-AC006075-AJ006075-BC006075-BJ00
8012" - Super Single 6080-AC006080-AJ006080-BC006080-BJ00
8512" - Super Single 6085-AC006085-AJ006085-BC006085-BJ00
9012" - Super Single 6090-AC006090-AJ006090-BC006090-BJ00
9512" - Super Single 6095-AC006095-AJ006095-BC006095-BJ00
10012" - Super Single 6100-AC006100-AJ006100-BC006100-BJ00
10512" - Super Single 6105-AC006105-AJ006105-BC006105-BJ00
11012" - Super Single 6110-AC006110-AJ006110-BC006110-BJ00
11512" - Super Single 6115-AC006115-AJ006115-BC006115-BJ00
12012" - Super Single 6120-AC006120-AJ006120-BC006120-BJ00
12512" - Super Single 6125-AC006125-AJ006125-BC006125-BJ00