JMS Automotive Performance Parts
- JMS®SparkMAX™ Ignition System Voltage BoosterSparkMAX™ Ignition System Voltage Booster by JMS®. PowerMAX Voltage Booster-Regulator will increase the output of any fuel pump or ignition system. The PowerMAX unit has been designed to be mounted inside the vehicle cabin (under a...Coil-On-Plug Ignition System BoosterSingle Coil Booster$498.75
- JMS®PedalMAX™ Drive By Wire Throttle Modification DevicePedalMAX™ Drive By Wire Throttle Modification Device by JMS®. PedalMAX is the industry's first and only complete solution designed to improve throttle response and driving characteristics on many 2000 and newer domestic and import...Improve Throttle ResponseIncrease Acceleration$289.75 - $309.75
- JMS®FuelMAX Fuel Pump Voltage BoosterFuelMAX Fuel Pump Voltage Booster by JMS®. The new JMS PowerMAX FuelMAX fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85% increase in fuel delivery from the OEM fuel pump.Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$409.75 - $689.75
- JMS®FuelMAX V2 Fuel Pump Voltage BoosterFuelMAX V2 Fuel Pump Voltage Booster by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85% increase in fuel delivery from the OEM fuel pump.Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$399.75 - $689.75
- JMS®BoostMAX™ TunerBoostMAX™ Tuner by JMS®. Get this top-of-the-line product thoroughly engineered to boost performance and unlock the full potential of your vehicle. Made with care and professionalism, this product improves gas mileage, ensures...$329.75
- JMS®Ignition AmplifierIgnition Amplifier by JMS®. This top-notch product ensures efficient supplying of power to burn the fuel in each individual cylinder. Painstakingly built to perfection it delivers astounding performance to help you get the most out of...Manufactured to boost your engine’s performanceEngineered utilizing the finest materials and equipment$419.75
- JMS®MAF Sensor Wiring ExtensionMAF Sensor Wiring Extension by JMS®. Need to relocate your Slot style MAF to another location and do not want to cut your factory wires? Simply use this JMS Slot MAF extension harness to move the MAF up to 3 feet away. This harness uses...Uses the same Delphi/Packard connector, terminals, and seals as the factory wiring harnessAssembled using the factory correct cross linked polyethelene high temperature TXL wire in the proper gauge$49.75
- JMS®MAF Sensor Wiring PigtailMAF Sensor Wiring Pigtail by JMS®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who use the most...LS3/LS7 Vehicle Replacement MAF PlugLS1/LS2 Vehicle Upgrade MAF Plug$30.75
- JMS®MAF Wiring Extension/Adaptor HarnessMAF Wiring Extension/Adaptor Harness by JMS®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who use...Plug and Play DesignNo cutting or Splicing$59.75
- JMS®FuelMax Fuel Pump Wiring HarnessFuelMax Fuel Pump Wiring Harness by JMS®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest technology,...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$105.67
- JMS®PowerMAX™ Fuel Pump Wiring Upgrade KitPowerMAX™ Fuel Pump Wiring Upgrade Kit by JMS®. JMS universal 70 amp 12V fuel pump wiring upgrade kit. This kit can be used to bypass your vehicles factory wiring when the demand for more amperage is needed.21 Ft Long 12 V Battery Lead3 Ft 12 V Output Lead$59.75 - $129.75
- JMS®FuelMax Throttle Position Sensor Wiring HarnessFuelMax Throttle Position Sensor Wiring Harness by JMS®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$46.67
- JMS®Throttle Body ControllerThrottle Body Controller by JMS®. The newest JMS product line and specifically designed to offer a wide range of tuning options for analog and digital throttle bodies on domestic cars and trucks. This new range of products will...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$399.75
- JMS®MAF Sensor AdapterMAF Sensor Adapter by JMS®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$59.75
- JMS®Exhaust Gas Temperature Sensor KitExhaust Gas Temperature Sensor Kit by JMS®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$169.75
- JMS®Hobbs Pressure SwitchUniversal Hobbs Pressure Switch by JMS®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by JMS will last a lifetime. It...Expertly crafted from premium materialsDesigned to match rigorous quality standards$54.75
- JMS®PedalMAX Drive By Wire Throttle Enhancement DevicePedalMAX Drive By Wire Throttle Enhancement Device by JMS®. PedalMAX is the industry's first and only complete solution designed to improve throttle response and driving characteristics on many 2000 and newer domestic and import...Improve Throttle ResponseIncrease Acceleration$289.75 - $309.75
- JMS®Single Remote Adjustment KnobSingle Remote Adjustment Knob by JMS®. Designed utilizing the latest technology, this product by JMS features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.75
- JMS®LaunchMAX™ TransBrake ModuleLaunchMAX™ TransBrake Module by JMS®. High-tech solution for the 6R80 transmission. The innovative microprocessor-controlled device offers the fastest release of any on the market via its precision electronics, and is compatible with...Simple, splice-in DIY designThis kit is not designed to raise the line pressure in the transmission$209.75 - $399.75
- JMS®Progressive N20 ControllerProgressive N20 Controller by JMS®. The Progressive Nitrous Controller that is designed to outperform! The JMS Progressive N20 Controller is the new standard for nitrous controllers! Finally, there is a N20 Controller that allows for...Easy to setup and use. No relays, triggers, or RPM switches required, everything is built into one unitCompatible with all 12 V or 16 V battery systems and one to sixteen cylinder engines.$399.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPJ19)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85% increase in fuel...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$499.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPT17)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85% increase in fuel...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$499.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2020PPS20)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85% increase in fuel...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$689.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2020PPD18)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2020PPD18) by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85%...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$599.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPD08)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPD08) by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85%...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$499.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2020PPS11)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2020PPS11) by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85%...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$689.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2020)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2020) by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85% increase in...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$499.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPT09)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPT09) by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85%...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$499.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPM05)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000PPM05) by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85%...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$499.75
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000) by JMS®. The new JMS PowerMAX FuelMAX V2 fuel pump voltage boosters feature exclusive JMS digital technology and are designed to provide up to an 85% increase in...Simple installation: PowerMAX plugs directly into your existing fuel pump driver +12 V DC feed wireCompatible with all 12 V or 16 V battery systems$399.75
Established in 1993, JMS is a prominent manufacturer of automotive electronic components located in Lucedale, Mississippi. For over 20 years already, the company has been developing quality products that improve vehicle performance, designed specifically for various automotive applications. Today, JMS is an industry leader in automotive electronics, supercharging, turbocharging, nitrous oxide injection, and custom EFI tuning.
JMS has a 60-year experience in automotive, powersports, and professional racing markets. At JMS, there’s a group of experts specializing in GM, Ford, and Dodge drivetrain and powertrain calibration engineering, car assembly, and aftermarket performance parts engineering and production. Specialization on specific vehicle’s features provides excellent understanding of what customers need for their application.
JMS Automotive is proud of leading the industry, providing both excellent knowledge of the segment and outstanding, high-technology manufacture. All of the company’s employees are skilled technicians, excellent designers and engineers, who are aware of the latest updates in the automotive world. Their production facilities provide precise manufacture and continuous control of JMS auto parts, helping to eliminate the possibilities of failures and defects. Three in-house chassis dynos help to measure horsepower gains.