JMS Automotive Performance Parts
- JMS®Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000GM)Fuel Pump Voltage Booster V2 with MAF/MAP/TPS or Ground Activation (P2000GM) 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...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
- JMS®Fuel Pump Voltage Booster with Ext Pressure Switch (P2000GMP)Fuel Pump Voltage Booster with Ext Pressure Switch 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...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
- JMS®Fuel Pump Voltage Booster with Ext Pressure Switch (P2000PPM11)Fuel Pump Voltage Booster with Ext Pressure Switch 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...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 with Ext Pressure Switch (P2020PPS13)Fuel Pump Voltage Booster with Ext Pressure Switch (P2020PPS13) 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...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 with Ext Pressure Switch (P2000PPM15)Fuel Pump Voltage Booster with Ext Pressure Switch 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...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®FuelMax Fuel Pump Wiring Harness (P-1114M-FPDM)FuelMax 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®FuelMax Fuel Pump Wiring Harness (P-1520M-FPDM)FuelMax 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®FuelMax Fuel Pump Wiring Harness (P-0510M-FPDM)FuelMax 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 70 Amps 12V Fuel Pump Wiring Upgrade Kit (JCA105732)PowerMAX 70 Amps 12V Fuel Pump Wiring Upgrade Kit (JCA105732) 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$129.75
- JMS®PowerMax Fuel Pump Wiring Upgrade Kit (JCA10573240A)PowerMax 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
- JMS®Oxygen Sensor Extension Harness (JO21114)Oxygen Sensor Extension Harness 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$52.75
- JMS®Rear Sway Bar Relocation Bracket Kit (SB0514MRLC)Rear Sway Bar Relocation Bracket Kit by JMS®. If you’re looking to reduce the amount of body roll, this top-of-the-line performance sway bar and components is a perfect upgrade for you. Designed with big speed fans in mind, this...Excellent upgrade intended to add stability to your vehicleDesigned to provide you with a more precise driving experience$40.75
- JMS®FuelMax Throttle Position Sensor Wiring Harness (P-GMP2-F-DCX-APPS)FuelMax 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®FuelMax Throttle Position Sensor Wiring Harness (P-GMP-APPS)FuelMax 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®PedalMAX™ Throttle Delay Eliminator Enhancement Device (PX1015GMT)PedalMAX™ Throttle Delay Eliminator Enhancement Device (PX1015GMT) 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...Improve Throttle ResponseIncrease Acceleration$289.75
- JMS®PedalMAX™ Throttle Delay Eliminator Enhancement Device with 10-Pin Connector (PX0510FV2)PedalMAX™ Throttle Delay Eliminator Enhancement Device with 10-Pin Connector 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...Improve Throttle ResponseIncrease Acceleration$289.75
- JMS®Throttle Body Controller (TS7F172F11)Throttle Body Controller (TS7F172F11) 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...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®Throttle Body Controller (TS7F112F17)Throttle Body Controller (TS7F112F17) 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...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®Throttle Body Controller (TS7DCX2M17)Throttle Body Controller (TS7DCX2M17) 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...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®Throttle Body Controller (TS7DCX2M11)Throttle 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®Throttle Body Controller (TS7FMD2AV2)Throttle Body Controller (TS7FMD2AV2) 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...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®Throttle Body Controller (TS7FMD2AV1)Throttle Body Controller (TS7FMD2AV1) 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...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®Throttle Modification Device (PX1116TYV4)Throttle Modification Device (PX1116TYV4) 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 vehicles....Improve Throttle ResponseIncrease Acceleration$289.75
- JMS®Throttle Modification Device (PX1220HNV1)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 vehicles. PedalMAX is easy to...Improve Throttle ResponseIncrease Acceleration$289.75
- JMS®Throttle Modification Device (PX1220HNV2)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 vehicles. PedalMAX is easy to...Improve Throttle ResponseIncrease Acceleration$289.75
- JMS®MAF Wiring Extension/Adaptor Harness (JLS1LS3AD)MAF 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®MAF Wiring Extension/Adaptor Harness (JLS2LS3ADX)MAF 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®Mass Air Meter Wiring Adapter (J96048695)Mass Air Meter Wiring Adapter (J96048695) 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...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®Mass Air Meter Wiring Adapter (J96040510)Mass Air Meter Wiring Adapter (J96040510) 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...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®Mass Air Meter Wiring Adapter (J86959604)Mass Air Meter Wiring Adapter (J86959604) 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...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$59.75
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.