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Best Electronic Speed Governors - Buying Guide

Last Updated: 12/12/2019

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BD Diesel Performance 1040185 4000 RPM Governor Spring Kit

Model: 1040185   |    Mpn: 1040185   |    Ean: 0019025000841   |    PartNumber: 1040185   |   Asin: B002RW3Y7U

BDs High RPM Mechanical Governor and Delivery Valve Kits can give you the power and torque you have been looking for. The High RPM Mechanical Governor Kit increases the Cummins engine speed to 3,000 or 4,000 rpm, reducing gear shifting and providing a new high in horsepower levels. The Delivery Valve Kit yields optimum pump output without replacing plungers and barrels. These kits replace key components in the P7100 Bosch pump on 1994-1998 Dodge-Cummins applications and as such are not for a home install! Only a qualified technician with P7100 training should perform this work, or send it to us and we can complete the modifications for you.


Brand: BD Diesel Performance   |   Manufacturer: BD Diesel

Package Dimensions: 2.25 x 6.6 x 8.6 inches (5.7 x 16.8 x 21.8 cm)

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MSD 4240 Charge Speed Enhancer

Model: 4240   |    Mpn: MSD-4240   |    Ean: 0085132042401   |    PartNumber: MSD-4240   |   Asin: B001BN573K

It's all about ripping through a desert arroyo or charging across an open field with your Rhino at full tilt. After all, this is why you have a Rhino. To escape the day to day, the pavement and cell phones. It couldn't get much better - but it could get faster. The MSD charge will give your Rhino 10 mph. What's better than that. How about the fact that the charge is a direct plug-in module that'll take less than 10 minutes to install - that's 10 mph in 10 minutes. Now get back to the trails.


  • Increase speed by up to 10 mph
  • Direct plug in to the factory harness
  • Compact and sealed housing
  • Fits all 660 Rhinos
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Brand: MSD   |   Manufacturer: 4240

Item Dimensions: 2.8 x 6.1 x 9.6 inches (7.1 x 15.5 x 24.4 cm)   |   Package Dimensions: 2.8 x 6.4 x 9.6 inches (7.1 x 16.3 x 24.4 cm)

First Available: 2015-04-21

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BD Diesel Performance 1040187 Governor Spring Kit

Model: 1040187   |    Mpn: 1040187   |    Ean: 0019025000865   |    PartNumber: 1040187   |   Asin: B001H382HW

BD Diesel Performance Governor Spring Kits are designed to deliver optimum power and torque. These kits help to increase engine speed and reduce gear shifting. They provide optimum horsepower levels and include all the hardware required facilitating easy installation.


  • Designed to deliver optimum power and torque
  • Helps to increase engine speed and reduce gear shifting
  • Provides optimum horsepower levels
  • Includes all the hardware required
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Brand: BD Diesel Performance   |   Manufacturer: BD Diesel

Package Dimensions: 3.63 x 4.63 x 5.13 inches (9.2 x 11.8 x 13.0 cm)

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Auto Meter 5348 Level 2 DPSS (Digital Pro Shift System) Black Tube

Model: 5348   |    Mpn: 5348   |    Ean: 0046074053481   |    PartNumber: 5348   |   Asin: B000WVDTDW

Tube-style shift light, with innovative AIM swivel mount for precise viewing angles. Features single programmable digital shift point, digital RPM display, compatible with .5-6 pulse ignition signals (1-12 cylinder engines), and single color shift light.


  • Features 4 programmable shift points, adjustable by 10 RPM increments - including Launch Lite, progressive shift, and digital RPM display
  • Compatible with 0.5 - 6 pulse ignition signals (1-12 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.
  • Seven user selectable colors (white, red, yellow, green, teal, blue, and magenta) to match visual preferences of driver as well as brightness adjustments for changes in visibility conditions
  • Features Auto Meter's E-Z View Digital LED Display System which maximizes readability and minimizes distracting high speed digit changes
  • Triage engine health and setup changes using Peak RPM Memory recall with one touch review. Commonly referred to as the 'tattle tale' in the racing world, this function allows racers to gain quick insights between rounds about wheel spin, gearing and gear changes.
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Brand: AUTO METER   |   Manufacturer: Auto Meter

Package Dimensions: 1.8 x 8.1 x 8.4 inches (4.6 x 20.6 x 21.3 cm)

First Available: 2013-09-27

Warranty: 1 Year

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