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JMS is a leader in electronic performance devices. Our electronic products are designed to improve the performance of most popular makes and models of: car, truck and UTV.
We design and manufacture a wide range of emissions legal, electronics products. Each of our products have been specifically designed to improve performance. Our products vary from external control system modifications to fuel system enhancements.
Many of our designs have been developed while working directly with OE and Tier 1 Manufactures. We strive to give our customers robust and durable products. Each product that we manufacture has a lifetime warranty.
Description 40AMP Ð 12v fuel pump wiring upgrade kit Ð includes sealed 40Amp automotive relay and 10 gauge wire (20 feet). Relay is normally ope...
View full detailsDescription Jms adjustable low pressure hobbs switch Ð preset 5psi Ð adjustable from 3psi to 7psi
Description Jms adjustable high pressure hobbs switch Ð preset 18psi Ð adjustable from 15psi to 20psi
Description Fuelmax 2005-2010 Mustang plug & play fpdm harness
Description Fuelmax 2011-2014 Mustang plug & play fpdm harness
Description Fuelmax 2015-2023 Mustang plug & play fpdm harness
Description Fits many ford gm and Dodge vehicles
Description Fuelmax ford-dcx-gmp2 accelerator pedal activation harness
Description Fuelmax main activation wiring harness
Description PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 pe...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 pe...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 pe...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 pe...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 pe...
View full detailsDescription Fuel Pump Voltage Booster PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric ...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster Universal Fuel Pump increase the output of any electric fuel p...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster Fuel pump upgrade increase the output of any electric fuel pum...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 perc...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 perc...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 perc...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 perc...
View full detailsDescription Improve your electric fuel pump with FuelMAX V2 PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the o...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and universal splice-in voltage booster increase the output of any electric fuel pump by up to 85 perc...
View full detailsDescription PowerMAX V2 FuelMAX 22 volt/44 and plug and play voltage booster increase the output of any electric fuel pump by up to 85 percent! w...
View full details$150.00 away from free shipping!
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