SKU: 26245600513

MSD Ultra 6AL Plus Ignition Box Red # MSD6523

Sale price$416.25 Regular price$462.50
Save 10%

Pay in installments of $115.62 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

MSD Ultra 6AL Plus Ignition Box Red # MSD6523Ignition Box, Ultra 6AL Plus, Digital CD, with Rev Limiter, Red, 4 6 or 8 Cylinders, Universal, Each Ignition Box Output: Capacitive discharge Circuitry: Digital Rev Limiter: Yes Timing Retard: Three stage Data Acquisition: No CD Voltage Output to Coil: 520 540 V Current Draw: 0. 8 amps per 1,000 rpm Spark Output (millijoules): 135 150 mJ Minimum Operating Voltage: 7 V Maximum Operating Voltage: 28 V Length (in.): 5. 200 in. Width (in.): 3. 300 in.

Ignition Box, Ultra 6AL Plus, Digital CD, with Rev Limiter, Red, 4 6 or 8 Cylinders, Universal, Each

Ignition Box Output:

Capacitive discharge

Circuitry:

Digital

Rev Limiter:

Yes

Timing Retard:

Three-stage

Data Acquisition:

No

CD Voltage Output to Coil:

520-540 V

Current Draw:

0.8 amps per 1,000 rpm

Spark Output (millijoules):

135-150 mJ

Minimum Operating Voltage:

7 V

Maximum Operating Voltage:

28 V

Length (in.):

5.200 in.

Width (in.):

3.300 in.

Ignition Box Color:

Red

Coil Included:

No

Warranty:

1-year

Quantity:

Sold individually.

Notes:

Launch, burnout, and step retard activation inputs available. This ignition box has a built-in tri-step RPM rev limit controlled by the mobile app.

MSD Ultra 6AL Plus Ignition Boxes

The new Ultra 6AL Plus ignition boxes deliver full MSD power in a compact, lighter package! The Ultra 6AL Series continues to use a high-speed controller that can make extremely quick compensations to the output voltage, multiple spark series, timing and rpm limits, while maintaining precise timing and accurate rev limiting. The circuits and controller of the MSD have been thoroughly filtered to create protection against Electro Magnetic Interference (EMI). Ultra 6AL Series features a capacitive discharge ignition design. (The majority of stock ignition systems are inductive ignitions, in which the coil must store and step up the voltage to maximum strength in between each firing. At higher RPM, since there's less time to charge the coil to full capacity, the voltage falls short of reaching maximum energywhich results in a loss of power or top end miss.)

MSD Ultra 6AL Plus ignition box details:

* High conversion efficiency ensures minimal heat generation and maximum spark energy output with less current draw from the battery
* High RPM operation and maximum output using the Blaster HVC, PN 8252 or HVC II, PN 8253
* Powerful capacitive discharge of multiple sparks improves performance
* Consistently high spark energy of 135mJ to 150mJ for every firing, from idle to redline RPM
* Increase spark series duration lasts for 18 of crankshaft rotation
* Easily installs on 4, 6, 8-cylinder engines with distributors
* Operates on most 7 to 28 volt electrical systems
* Connects to points, magnetic pickups, and hall/crank input distributors
* Bluetooth connectivity to mobile app interface for settings and monitors
* MSD CAN communication for easy connectivity to MSDView using a CAN MSD Hub and Power Grid USB or CAN-USB Bridge 89982 product
* Straight USB port to easily connect to MSDView using a laptop
* Fully protected against an open coil, shorted coil and open load
* Compact design full MSD power
* Quickens throttle response and improves starting
* Tach Output
* Launch, Burnout, and Step Retard activation inputs available. This ignition box has a built-in tri step RPM rev limit controlled by the mobile app
* Mobile app available settings: Step retard value, Launch RPM value, Burnout RPM value, Max (Race) RPM Value
* Programmable Step Retard: On Ramp time, Off Delay, Off Ramp Time, Engine RPM for activation
* Programmable Start Retard through rotary switches: 0, 10, 20 degrees
* Programmable cylinder selection through rotary switches: 4, 6, and 8 cylinders
* Alerts and monitors available
* High level of security connection from phone to Ignition box (encryption), including sequence in push button implementation
* Maximum programmable retard of 35 degrees
* Programmable timing curves in 2D plots or 3D tables (RPM vs Timing vs MAP Pressure); you can plot the 3-D graph and edit a table 20x20 either from mobile app (phone) or from MSDView (laptop)
* Programmable Launch Timing (seconds vs degrees after launch wire activation)
* MAP sensor interface up to 400 kPA (58 psi / 4 Bars)
* Capable of programming cylinder selection and start retard without a computer or app for old school racers (like 6425 or 6428 box)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26245600513

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 16 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Adriana
Whiting, US
★★★★★ 5
Amazing for heavy monitors
Color: White, Size: without USB
I had tried other monitor stands that claimed they were heavy duty, but this is the first one that stood up for my curved monitor. I did have to re-order as it was originally missing the hardware, but once I received it it was easy to set up. The quality is great and it moves very smoothly for day-to-day adjustments.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 5
good quality
Color: Black, Size: without USB
good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
M
Verified Purchase
Meghan C.
Grantham, US
★★★★★ 1
BUYER BEWARE!! ITS GARBAGE YOU WOULD BE BETTER BUYING A $20 MONITOR MOUNT INSTEAD
Color: Black, Size: without USB, Color: Black, Size: without USB
This is the second review I ever gave on Amazon out of thousands of items I bought over the years.. This is the worst monitor mount I ever bought I have purchased maybe ten over a long period of time this monitor mount isn't the cheapest so you would think your getting quality your not it's garbage worse than garbage because it can break your monitor mine decided to give out and slam down thankfully it didn't break my $1100 oled monitor also it has weird screws you have to screw in to get it to rotate 360 degrees it has a screw that clamps down on your desk and will leave a mark and damage it.. To lower it you have to turn it 500 times loosen it up and it never feels stable also the tilt feature is litterally the worst no matter how high you try to level your monitor it always hangs downwards I have a light monitor well within the weight capacity.. I would buy any other monitor mount so buyer beware if you want junk and waste your time fiddling and trying to get this in a good position you won't and it will just get you super aggravated I wish I could give this item zero stars
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
J
Verified Purchase
Jaqueline
Lake Worth, US
★★★★★ 5
Worth the price an pretty good angles
Color: White, Size: without USB
So I decided to get this monitor arm because I was trying to go for an all white aesthetic and needed a arm to come in on time was a little skeptical because of the reviews but after using it, I love it. It’s super sturdy. The monitor arm is pretty high-quality. It uses mostly metal and the cable management is really good. I definitely recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
L
Verified Purchase
LucyF
Belleville, US
★★★★★ 4
Feedback
Color: White, Size: without USB
I wish you didn’t have to adjust screws to adjust position Otherwise it is great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025

recommand products