​"Our mission is to build the strongest, safest, best performing fuel cells on the market at a reasonable price!" -Read More-

Welcome!

Welcome to Harmon Racing Cells, your premier source for safe fuel storage systems.  Here at Harmon, we're dedicated to making the  best performing, longest lasting fuel cells on the market. 
From road to off-road racing bladders, and over 35 years of experience in designing and fabricating custom and standard fuel bladders, we've got the knowledge, expertise, and ingenuity to help you get the most out of your fuel delivery system. With sizes like 20 gallon to over 100 gallon,  we can pull it off the shelf or build it to your specification. Because of our obsession with quality, we are world renowned for providing the highest quality, longest lasting, best performing fuel cells on the market. From the slick track to the dirt track we've got the products and know-how to help you get the most out of your vehicle.

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​Fuel Cells and Products

"...I was  impressed with the finish quality of the Harmon cell."

"We've had Harmon cells in our race truck and our prerunner and the quality is second to none."​

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Parts and Hardware

Nutrings

$11.90 - $127.39

Nutrings are one of the most important safety features on any fuel cell.  Glued to the fuel cell bladder they are an anchor on which fill and pickup plates can be bolted to.  Traditionally, nutrings were made of "cast" aluminum with optional steel or stainless steel inserts placed inside for added strength.  Today, Harmon Racing Cells is innovating the racing industry by introducing the aluminum "plate" nutring.  Although much simpler in concept and design, these nutrings are stronger and last longer than anything else on the market, period!

How are these innovative?  We believe that simpler is better, especially when it comes to fuel systems.  By making our nutrings out of "plate" instead of "cast" aluminum we eliminated the leading cause of nutring replacement - cracking.  Their flexibility allows them to absorb and distribute stress caused by racing while also molding to the shape of the plate, providing a tighter union of nutring to plate and reducing incidences of plate leakage.  In addition, every nutring is equipped with replaceable 1/4"x28 stainless steel inserts.*  If a bolt breaks off in the nutring or an insert gets stripped simply press out the bad one and press a new one in.  This versatility extends the life of the nutring indefinitely, thus saving you a few extra bucks.

NOTE: The 5 Hole Round Sender Nutring is drilled and tapped aluminum (#10-32 thread) and does not have stainless steel inserts.

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Gaskets

$6.00 - $25.50

Like any other gasket you'll find on your vehicle, fill plate gaskets must be replaced over time. We offer a complete line of replacement gaskets for all plate sizes both standard and custom.

At Harmon Racing Cells we're all about quality, and high quality cork and buns with higher concentrations or buns for better resistance to fuel cell and the elements. This higher buns concentration allows the gasket to last longer, typically twice as long as other gaskets, and remain relatively flexible over time, allowing you to remove the plate without worrying about the gasket pulling apart.

While gaskets do last several years they should be checked regularly, such as before a race, for any signs of leaks or potentials leaks.

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Blank Plates

$15.38 - $84.14

​Use these to block an existing opening or to create
your own custom plate.  All plates are 6061-T6
aluminum unless otherwise specified.

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1.00" Discriminator Valve & Filter Kit

$210.12

Similar to a check valve or vent, discriminator valves prevent fuel from traveling up the vent line during filling when the tank is full.  Utilizing a float, the valve shuts off air flow when fuel enters the chamber.  The valve also operates independently and will close/shut off if overturned regardless if there is fuel in the chamber.  Because of it's ability to prevent fuel from traveling up the vent line and out the vehicle these have become popular on vehicles utilizing dry break fill systems and pressurized fill systems.  Inlet and outlet requires inner diameter 1.00" hose.

This kit includes:
-HDIS-100V Discriminator Valve
-1.00" Inlet K&N Air Filter
-1.00" Lightweight Hose Mender
-Stainless Steel Hose Clamps (3)

NOTE: 1.00" I.D. HOSE NOT INCLUDE

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6X10 Bolt & Gasket Kit

$28.37

Routine maintenance of the gaskets and washers that seal the fuel cell is key to preventing fuel leakage over time.  These bolt and gasket kits are compatible with all Fuel Safe, Harmon, and ATL fuel cells.

Features:

• Cork and Buna-N Gasket
• 1/4-28 x .875" Cap Screws
• 1/4" Nylon Washers

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AN-10 Check Valve/Vent

$65.77

Check valves, also known as vents or roll over valves, are one of the most important safety and performance features on the fuel cell, allowing air in and out of the fuel cell while keeping fuel contained within the bladder in the event of a rollover.  Similar to discriminator valves, check valves use a stainless steel or chrome steel ball to allow air in/out of the tank but blocks fuel when the vehicle turns upside down.

Check valves come in a variety of sizes and styles according to the intended filing application; the larger the vent the faster the bladder will fill.  Standard check valves are made from aircraft grade aluminum (either 5052, 6061-T6, 6063-T6) and are either welded or bolted to the fill plate directly.  "Inline" or external check valves are not suitable for use with fuel cells unless accompanied by another check valve located in the plate.

Bulkhead Style Check Valves
Machined from standard JIC aircraft fittings these vents come in sizes from AN-06 to AN-16.  The bulkhead JIC platform allows any JIC style fitting to be attached for routing of the vent line around and out the vehicle.

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Collector/Surge Boxes

$261.22 - $320.43

Collectors are quickly becoming the standard addition to any fuel cell built for racing applications.  Also known as a "surge" or "catch" box this devise goes inside the fuel cell at it's lowest point and uses a series of check valves to allow fuel into the box but not out.  Made of the same materials as the safety bladder collectors flex with the bladder in the event of and accident and can be custom made for a precise fit.

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Dry Break

$249.99 - $315.99

Dry breaks are becoming more and more popular as the go-to for quick fueling. Capable of flowing several gallons per second they can be found on many vehicles, from off-road trophy trucks to nearly all stock car vehicles, and allow fuel in and air out quicker than traditional jugs.  Sizes are pretty standard, making them compatible with most systems on the market.  Traditionally reserved for the racing elite, they are quickly becoming more accessible and affordable to the racing market in general.

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Multi-Location Plates

$44.65 - $144.42

Multi-location plates combine the versatility of a blank plate with the ease of a pre-drilled plate.  Equipped with a check valve and already drilled to accept a 12 hole round plate the popularity of these plates comes from the ability to swap out fill neck sizes and angles without having to modify the plate.  Remote style fills can be bolted directly to the plate without removing it from the cell and the twelve bolt holes allow for angle adjustments in 30 degree increments.  All plates drilled to single AN-08 pickup, AN-06 return, and sending unit provision.   Plates come with equipment and fittings standard; plates with a "B" do not have fittings/vents.

NOTE:  Plates can be equipped with larger vents and additional fills upon request.

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AN-10 Bottom Pickup/Crossover

$66.17

Pickups allow the fuel to exit the bladder and inter the fuel delivery system.  They can be located either on the main fill plate (traditional) or on it's own dedicated plate (remote) on the top, side, or bottom of the fuel cell.  These pickups range in size from AN-06 to AN-12 and can be used in sets as a "crossover" to allow fuel to flow from one bladder (or one side of the bladder) to the other.  Featuring a welded aluminum bung the connector fitting cannot loosen over time and allows low fuel levels to "drain" into the pickup fitting.  NOTE: Cannot attach a hose to the "inside" end and, consequently, are not for use as 'side pickups'.

Features:

• AN-10 Male JIC Outlet
• 6 Hole Round Remote Plate (Anodized Black)
• 6 Hole Round Nutring (Anodized Clear)
• 6 Hole Round Gasket (1)
• 1/4-28 x 1" Bolts (7)
• 1/4" Nylon Washers (9)
• .125" Stainless Steel Hole Down Tabs (2)

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Aeromotive A1000 Stealth Pump

$663.06 - $1,263.00

One of the most popular aftermarket fuel pumps in the industry, the Aeromotive A1000 Stealth pump combines the rugged durability of a traditional A1000 with the functionality of an in-tank pump.  Designed to be suspended from the top, these pumps can be mounted directly on aluminum tanks or, in this case, on a standard 6X10 plate.  This setup stacks the pump, pre-pump filter, and pickup into one assembly that drops directly to the bottom of the tank.  To remove, simply unbolt the 10 bolts securing the pump and lift out of place.  Once service is complete, lower it back down and bolt it to the plate.

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Push-on Hose Ends

$3.57 - $22.01

Designed with ribbed edges these hose ends use "Push-On" style hose to secure a seal without the need of a clamp.  Usually found connected to the internal pickup hose, these fittings can also be used in place of traditional "swivel" fittings, though the use of a clamp is recommended for high pressure applications.

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"Their level of expertise and craftsmanship is seen why so many choose them."

​ "...placed an order for a custom tailored fuel cell. Customer Service was fantastic and placing the order was pleasantly simple."

Reminder

​Double check any fuel cells before any upcoming races to make sure your Harmon Racing Cells fuel cells are working in top conditions. Make sure to check for any cracks in the bladder and seals/ plates to help prevent any unforeseen issues later on.