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While we strive to keep our website pricing accurate and up to date, occasional delays in updates may occur when manufacturers change their prices. This means the price shown online may differ from the current price. We recommend contacting us to confirm pricing before placing your order, as we may not be able to honor outdated prices.

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JMS PERFORMANCE - DSP PERFORMANCE MOTORSPORTS

JMS PERFORMANCE

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.

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Pedalmax Ð PX1219NSV2 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1219NSV2

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1219NSV3 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1219NSV3

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1219NSV4 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1219NSV4

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1220HNV1 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1220HNV1

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1220HNV2 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1220HNV2

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1220HNV3 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1220HNV3

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1415GM JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1415GM

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1415ST JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1415ST

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1518SBV1 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1518SBV1

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1620MZV1 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1620MZV1

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1718TYV3 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1718TYV3

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1723T JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1723T

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1820MTV1 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1820MTV1

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1920DCX4 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1920DCX4

Description Pedalmax PX1920DCX4 is a high-performance throttle enhancement device designed to improve your vehicleÕs throttle response, making acc...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1920GMT JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1920GMT

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1920GMV3 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1920GMV3

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1920KIV1 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1920KIV1

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

View full details
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX1920KIV2 JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX1920KIV2

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

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$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
Pedalmax Ð PX2324GM JMS Autoparts
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75

Pedalmax Ð PX2324GM

Description PedalMAX Ð installs in just minutes improves vehicles acceleration. waterproof Ð rugged design plug and play Ð simple install remote a...

View full details
$289.75 - $289.75
$289.75
$289.75 - $289.75
$289.75
70AMP Single Relay Ð 105732 JMS Autoparts
$129.75 - $129.75
$129.75
$129.75 - $129.75
$129.75

70AMP Single Relay Ð 105732

Description 70AMP Ð 12v fuel pump wiring upgrade kit Ð includes sealed 70Amp automotive relay and 10 gauge wire (20 feet). Relay is normally ope...

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$129.75 - $129.75
$129.75
$129.75 - $129.75
$129.75
Misc Wiring Ð Mass Air And O2 Ð J05109604 JMS Autoparts
$59.75 - $59.75
$59.75
$59.75 - $59.75
$59.75

Misc Wiring Ð Mass Air And O2 Ð J05109604

Description 2005-2010 Mustang conversion to 1996-2004 maf sensor

$59.75 - $59.75
$59.75
$59.75 - $59.75
$59.75
Misc Wiring Ð Mass Air And O2 Ð J0514EXT JMS Autoparts
$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75

Misc Wiring Ð Mass Air And O2 Ð J0514EXT

Description 2005-2017 Mustang slot style maf

$49.75 - $49.75
$49.75
$49.75 - $49.75
$49.75
Misc Wiring Ð Mass Air And O2 Ð J86950510 JMS Autoparts
$59.75 - $59.75
$59.75
$59.75 - $59.75
$59.75

Misc Wiring Ð Mass Air And O2 Ð J86950510

Description 1986-1995 Mustang conversion to 2005-2010 slot style maf sensor

$59.75 - $59.75
$59.75
$59.75 - $59.75
$59.75
Misc Wiring Ð Mass Air And O2 Ð J86959604 JMS Autoparts
$59.75 - $59.75
$59.75
$59.75 - $59.75
$59.75

Misc Wiring Ð Mass Air And O2 Ð J86959604

Description 1986-1995 Mustang conversion to 1996-2004 maf sensor

$59.75 - $59.75
$59.75
$59.75 - $59.75
$59.75

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