JMS Automotive Performance Parts
- JMS®Mass Air Meter Wiring Adapter (J86950510)Mass Air Meter Wiring Adapter (J86950510) 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 (J05109604)Mass Air Meter Wiring Adapter (J05109604) 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 Extension (J8695EXT)Mass Air Meter 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 the same Delphi/Packard connector, terminals, and seals as the factory wiring harnessAssembled using the factory correct cross linked polyethylene high temperature TXL wire in the proper gauge$49.75
- JMS®Mass Air Meter Wiring Extension (JLS3EXT)Mass Air Meter 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 the same Delphi/Packard connector, terminals, and seals as the factory wiring harnessAssembled using the factory correct cross linked polyethylene high temperature TXL wire in the proper gauge$49.75
- JMS®Mass Air Meter Wiring Extension (J0514EXT)Mass Air Meter 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 the same Delphi/Packard connector, terminals, and seals as the factory wiring harnessAssembled using the factory correct cross linked polyethylene high temperature TXL wire in the proper gauge$49.75
- JMS®Mass Air Meter Wiring Extension (J9604EXT)Mass Air Meter 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 the same Delphi/Packard connector, terminals, and seals as the factory wiring harnessAssembled using the factory correct cross linked polyethylene high temperature TXL wire in the proper gauge$49.75
- JMS®Mass Air Meter Wiring Pigtail (J8695PT)Mass Air Meter 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...LS3/LS7 Vehicle Replacement MAF PlugLS1/LS2 Vehicle Upgrade MAF Plug$30.75
- JMS®Mass Air Meter Wiring Pigtail (JLS3LS7PT)Mass Air Meter 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...LS3/LS7 Vehicle Replacement MAF PlugLS1/LS2 Vehicle Upgrade MAF Plug$30.75
- JMS®Mass Air Meter Wiring Pigtail (J9604PT)Mass Air Meter 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...LS3/LS7 Vehicle Replacement MAF PlugLS1/LS2 Vehicle Upgrade MAF Plug$30.75
- JMS®Mass Air Meter Wiring Pigtail (JMA05PT)Mass Air Meter 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...LS3/LS7 Vehicle Replacement MAF PlugLS1/LS2 Vehicle Upgrade MAF Plug$30.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600020EU)Boostmax™ Plug-n-Play 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,...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600035V5)Boostmax™ Plug-n-Play Tuner (BX600035V5) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600016FS)Boostmax™ Plug-n-Play Tuner (BX600016FS) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600035V4)Boostmax™ Plug-n-Play Tuner (BX600035V4) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600023V2)Boostmax™ Plug-n-Play Tuner (BX600023V2) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600023)Boostmax™ Plug-n-Play Tuner (BX600023) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600015)Boostmax™ Plug-n-Play Tuner (BX600015) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600010)Boostmax™ Plug-n-Play Tuner (BX600010) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600020V2)Boostmax™ Plug-n-Play Tuner (BX600020V2) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600035V2)Boostmax™ Plug-n-Play Tuner (BX600035V2) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600035)Boostmax™ Plug-n-Play 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,...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX600027)Boostmax™ Plug-n-Play Tuner (BX600027) 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...Plug and playInstalls in minutes$329.75
- JMS®Boostmax™ Plug-n-Play Tuner (BX60002016)Boostmax™ Plug-n-Play Tuner (BX60002016) 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...$329.75
- JMS®Boostmax™ Plug-n-Play Tuner Racing Version (BX600023VR)Boostmax™ Plug-n-Play Tuner Racing Version (BX600023VR) 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...$329.75
- JMS®Exhaust Gas Temperature Sensor Kit (EGT9617B)Exhaust 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®SparkMAX™ Ignition System Voltage Booster V2 - Plug & Play Single Output (P2100PPM11)SparkMAX™ Ignition System Voltage Booster by JMS®. V2 - Plug & Play Single Output. PowerMAX Voltage Booster-Regulator will increase the output of any fuel pump or ignition system. The PowerMAX unit has been designed to be mounted...Coil-On-Plug Ignition System BoosterSingle Coil Booster$498.75
- JMS®SparkMAX™ Ignition System Voltage Booster V2 - Universal Single Output (P2100)SparkMAX™ Ignition System Voltage Booster (P2100) by JMS®. V2 - Universal Single Output. This top-notch product ensures efficient supplying of power to burn the fuel in each individual cylinder. Painstakingly built to perfection it...Simple installation: PowerMAX splices into your existing ignition coil +12V DC feed wireWorks on all Coil on Plug ignition systems$419.75
- JMS®Hobbs Low Pressure Switch, 3-7 PSI (JMS-LF0-HOBBS)Universal Pressure Switch (JMS-LF0-HOBBS) by JMS®. Pressure Range: 3-7 PSI. 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$54.75
- JMS®FuelMax EZ Fuel Pump Voltage Booster (P220EZFS13)FuelMax EZ Fuel Pump Voltage Booster (P220EZFS13) 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...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$689.75
- JMS®FuelMax EZ Fuel Pump Voltage Booster (P200EZFT15)FuelMax EZ Fuel Pump Voltage Booster (P200EZFT15) 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...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$499.75
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.