1979-1993 Mustang Firewall Speedometer Plug Kit by 5.0 Resto

1979-1993 Mustang Firewall Speedometer Plug Kit

Seal up the open hole left after converting your speedometer with this 5.0 Resto 1979-1993 Mustang Fox Body firewall speedometer plug kit.

Item #HDW-377936

Everyday Low Price: $7.99

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  • Ford Mustang - 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993


  • Maintains A Proper Seal
  • Replaces Factory Speedo Grommet
  • Seals Interior From Water And Debris


  • Simple Installation
  • Correct Dimensions
  • Black Rubber Construction

 What's in the Box

  • (1) Auto Rubber Plug
  • (1) Manual Rubber Plug

1979-1993 Mustang Firewall Speedometer Plug Kit

Seal the interior of your 1979-1993 Mustang Fox Body from water and debris with these new speedometer plug kit from 5.0 Resto! From the factory, Ford used a grommet with a hole for the cable to pass through to seal off to keep the elements out. If you have to convert to a GPS-based speedometer, this leaves you with an open hole in the firewall. This new rubber plug kit fills the hole left behind by utilizing the correct dimensions, allowing for a simple installation by inserting the new rubber plug. Constructed from a durable black rubber material, this speedometer plug has been manufactured to the correct diameter of the firewall and is built to last. 5.0 Resto has come up with this solution-based kit to eliminate potential leaks in your Fox Body Mustang. This 5.0 Resto firewall speedometer plug kit comes with two different diameters one for auto and manual cars!

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About This Brand

5.0 Resto
5.0 Resto - Dedicated To The Preservation Of The Fox Body Mustang
5.0 Resto® is the one and only brand dedicated to the restoration and preservation of 1979-1993 Fox Body Mustangs. Specializing in designing and manufacturing problem-solving solutions, 5.0 Resto® provides superior restoration products for the Fox Body Mustang community to ease the restoration of the beloved platform. A brand built on automotive enthusiasts, 5.0 Resto® is driven to deliver convenience by offering premium products that save the customer time and money with a complete solution to eliminate all uncertainty. Through extensive research and development, rest assured that each and every 5.0 Resto® product is made from the highest quality materials for an industry-leading fit and finish.

Be sure to shop for all 5.0 Resto® Fox Body Mustang Parts exclusively at
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