Product Summary

1.45" Overall Height, 3.38" Base Length, Red

  • Features a bright LED display clearly indicates the set RPM rev limit
  • HEI Rev Limiter is epoxy filled, making it resistant to extreme conditions
  • Epoxy is also in place so that tampering with the internal circuitry becomes a thing of the past
  • New digital technology also allows the rev limiter to record the highest RPM the engine rev limited for a pre-determined amount of time
  • The easy plug-in wiring and connectors allow the unit to plug directly into any HEI-style distributor with no cutting or crimping of wires
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Key Specs

MFG. Part #8727CT
BrandMSD
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Need To Know

Quick and Easy Returns

Return Policy

MSD 8727CT Details

MSD is excited to bring this HEI Rev Limiter to the circle track world. This Circle Track RPM Control is designed for racers and tech officials alike. It features fully digital operation allowing for extra smooth and accurate rev limiting to within a quarter percent of the set value, while eliminating the need for plug-in RPM modules, as convenient adjustable rotary dial’s take their place. 

  • A bright LED display clearly indicates the set RPM rev limit
  • Easy plug-in wiring and connectors allow the unit to plug directly into any HEI-style distributor with no cutting or crimping of wires
  • HEI Rev Limiter is epoxy filled, making it resistant to the extreme conditions circle track racing presents including water, mud, engine fluids and of course vibration
  • The epoxy is also in place so that tampering with the internal circuitry becomes a thing of the past
  • New digital technology also allows the rev limiter to record the highest RPM the engine rev limited for a pre-determined amount of time providing useful information to both race teams and tech officials 
  • If for any reason the unit loses any connection during a race, the engine will lose power and set a fault code that will be displayed on the LED display

Features:

  • Approved for use in both IMCA and USRA!
  • Fully digital operation allows for accurate rev limiting
  • Rotary dials eliminate the need for plug in RPM modules
  • Easy installation to any HEI distributor with plug-in wiring harness and connectors
  • Harness also available for second car or ignition system when switching rev limeter between cars 547-ASY26434
  • Epoxy filled for extreme racing conditions and eliminates tampering with circuitry

 

Charts

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

MSD 8727CT Specifications

KEY SPECS
MFG. Part #8727CT
BrandMSD
GENERAL
Overall Height1.45"
Base Length3.38"
Base Width2.11"
ColorRed
Sold in QuantityEach
GTIN Code085132287277

Ratings & Reviews

5

47 Reviews

Overall Assessment

The product is highly praised for its easy installation, with customers highlighting its plug-and-play feature. Many users appreciated its usefulness in protecting engines in their race cars, preventing over-revving. The quick and simple RPM limit change is mentioned consistently. Customers unanimously recommend this product due to its exceptional usability, high-quality materials, and reliable performance. It outperforms competitor products with its easier wiring and softer rev limiting, making it a fan favorite in racing scenarios. The description "best Rev Control Unit Made" is used, underscoring its superiority.

5

47 reviews

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47

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Filter by Ratings

High quality Rev limiter

5.0

2 months ago

RS

Box Elder SD

Verified

Quality piece Very easy to install.

Would Recommend

This is great I would buy again

5.0

3 months ago

Mud racer

Cortez, co

Verified

The product works great! Keeps the limit where it needs!

Would Recommend

I would recommend this rev control.

5.0

5 months ago

Stick

Anamosa, IA

Verified

Easy installation!

Would Recommend

Recommended

5.0

11 months ago

Jomama

Bourbon Mo

Verified

Used on dirt modified, no issues in a couple years. Only downside is adjusting it is extremely difficult to see very tiny numbers.

Would Recommend

Definitely

5.0

a year ago

Skeeter

Northern new york

Verified

Product was packed perfectly and works as it should

Would Recommend

Yrs

5.0

a year ago

Stan

Eldon Mo

Verified

I race dirt track and it preforms as needed

Would Recommend

Great product

5.0

a year ago

Bugsy

93243

Verified

Plug and play easy to wire and use highly recommended for hei disstibuter

Would Recommend

Does it's job

5.0

a year ago

Stephen

San Diego, CA

Verified

Easy to install and operate

Would Recommend

It Works!

5.0

a year ago

Gearhead Inc

La Junta, CO

Verified

In this day and age its hard to find products that just work. This Rev Limiters are easy to install. Easy to use. Easy to adjust and the just work for years.

Would Recommend

Would buys this again

5.0

2 years ago

Wise racing

Missouri

Verified

Had to switch for rules.

Would Recommend

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Showing 10 of 47 reviews

Questions & Answers

7 Questions7 Answers

What's the lowest rpm this can be set at?

by Rich

4 years ago

1 answer

Does it display the rpm's at all times? In other words does it act as a tachometer also

by Adam'sz71

7 years ago

1 answer

Can I use the 8727 CT soft touch on my daily driver or can you recommend me another rev limiter for my sbc with hei distributor

by Donis

8 years ago

1 answer

Will this work on a 2016 yz450f?

by Robbie

8 years ago

1 answer

can this rev limiter be used with solid core plug wires?

by nathan

9 years ago

1 answer

Are you able to buy a replacement wire harness for this product?

by Jacob

9 years ago

1 answer

Does this have the pill that is removable?

by marcud

10 years ago

1 answer

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