SKU: 41917890450
msd boost box

msd boost box IGNITION BOX,6AL,ADJ REV LIMITER,RED – Southwest Speed

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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

msd boost box IGNITION BOX,6AL,ADJ REV LIMITER,RED – Southwest SpeedBRAND NEW MSD DIGITAL 6AL IGNITION CONTROL BOX WITH BUILT IN REV LIMITER, 520 540 VOLTS, COMPATIBLE WITH 4,6 & 8 CYLINDER ENGINES, PRODUCED BY HOLLEY PERFORMANCE PRODUCTS THE MSD 6AL IGNITION CONTROL SET THE STANDARDS THAT OTHER IGNITIONS STRIVE TO REACH. IN FACT, YOU WILL FIND IGNITIONS FROM OTHER COMPANIES THAT CARRY THE 6AL NAME (AND IN SOME CASES, THE SAME PART NUMBER). MSD RAISED THE BAR EVEN HIGHER WITH THE REVISED DIGITAL 6AL IGNITION CONTROL!

BRAND NEW MSD DIGITAL 6AL IGNITION CONTROL BOX WITH BUILT-IN REV LIMITER, 520-540 VOLTS, COMPATIBLE WITH 4,6 & 8 CYLINDER ENGINES, PRODUCED BY HOLLEY PERFORMANCE PRODUCTS

THE MSD 6AL IGNITION CONTROL SET THE STANDARDS THAT OTHER IGNITIONS STRIVE TO REACH. IN FACT, YOU WILL FIND IGNITIONS FROM OTHER COMPANIES THAT CARRY THE 6AL NAME (AND IN SOME CASES, THE SAME PART NUMBER). MSD RAISED THE BAR EVEN HIGHER WITH THE REVISED DIGITAL 6AL IGNITION CONTROL!

THE WIRING OF THE DIGITAL 6AL IS ROUTED OUT ONE END OF THE UNIT THROUGH A SEALED AND LOCKING CONNECTOR. THIS EASES INSTALLATION AND KEEPS YOUR WIRING LOOKING NEAT AND CLEAN. THE REV LIMITER OF THE 6AL IS LOCATED RIGHT ON TOP OF THE HOUSING FOR EASY ACCESS TO THE 2 ROTARY DIALS TO SET THE LIMIT IN 100 RPM INCREMENTS.

INSIDE THE DIGITAL 6AL YOU WILL FIND A MICROPROCESSOR THAT MONITORS AND CONTROLS EVERY FIRING & REV LIMIT. THE CIRCUITS ARE UPDATED WITH EFFICIENT COMPONENTS THAT HELP THE IGNITION PRODUCE MORE POWER WHILE DRAWING LESS CURRENT! IN FACT, THE DIGITAL 6AL DELIVERS OVER 530 VOLTS TO THE COIL WITH UP TO 135MJ OF SPARK ENERGY FOR EVERY FIRING! INCREASED OUTPUT COMBINED WITH MSD PROVEN MULTIPLE SPARK SERIES IS A WIN-WIN SITUATION!

THE DIGITAL 6AL IS SUPPLIED WITH THE WIRING HARNESS AND THE COMPONENTS NEEDED FOR INSTALLATION. THE 6AL IS ALSO SUPPLIED WITH VIBRATION MOUNTS. BOTH IGNITIONS ARE COMPATIBLE ON 4, 6 OR 8-CYLINDER ENGINES WITH 12-VOLT, NEGATIVE GROUND ELECTRICAL SYSTEMS. THEY WILL ACCEPT TRIGGER INPUTS FROM BREAKER POINTS, AMPLIFIERS & MAGNETIC PICKUPS.

NOTE: CARB EO: D-40-43

FEATURES:

  • HIGH OUTPUT WITH 530 VOLTS & 135MJ OF SPARK ENERGY
  • EFFICIENT COMPONENTS USE LESS CURRENT TO PRODUCE MORE POWER
  • SET AN RPM LIMIT WITH 2 ROTARY DIALS IN 100 RPM INCREMENTS
  • BUILT-IN LED FOR SYSTEM CHECKS
  • ALL WIRES EXIT THROUGH A LOCKED, SEALED CONNECTOR
  • COMPATIBLE WITH 4, 6 OR 8-CYLINDER ENGINES

SPECS:

  • BRAND: MSD
  • COLOR: RED
  • CURRENT DRAW: 1.1 AMP PER 1,000 RPM
  • EMISSION CODE: 1
  • FEATURES: REV LIMITER
  • PRIMARY VOLTAGE: 520-540 VOLTS
  • PRODUCT TYPE: DIGITAL 6AL IGNITION CONTROL BOX
  • RPM RANGE: 11,000 RPM
  • SECONDARY VOLTAGE: 45,000 VOLTS
  • SPARK ENERGY: 135-145 MJ PER SPARK
  • VOLTAGE REQUIRED: 12-15 VOLTS, 7 VOLT START
  • WEIGHT & SIZE: 1.7 LBS., 8"L X 4"W X 1.825"H

YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS IGNITION CONTROL BOX HERE.

YOU CAN VIEW AND DOWNLOAD THE ADDENDUM HERE.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • 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]
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SKU: 41917890450

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MSMom
Grantham, US
★★★★★ 5
Great socks!
These are great low cut socks with padding in appropriate places. The shape keeps them from sliding down in my tennis shoes. I just wish more than three pair came in the pack.
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Reviewed in the United States on April 9, 2026
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Darrah
Chelsea, US
★★★★★ 5
Great socks
Size: Large, Color: (672) Super Pink / Blaze Orange / Super Pink
My favorite socks! Fit great and don’t slip down in my shoes. They are cozy and cushiony. I love the colors too.
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Reviewed in the United States on October 21, 2025
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Crystal slater
Alexandria, US
★★★★★ 5
Quality under armor product
These are so very comfortable they are thin yet keep my feet warm around the house while it’s snowing outside
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Reviewed in the United States on January 7, 2026
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Lindsey K
Lake Worth, US
★★★★★ 5
Fav socks
My favorite socks! Love them!
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Reviewed in the United States on April 20, 2026
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Verified Purchase
Dawn
Louisville, US
★★★★★ 4
Not bulky fit
Size: Large, Color: (009) Gray Dawn / White / Prime Pink
Thinner than UA other cushioning run socks, but this fit is perfect and doesn't shift in my shoe. I wear a women's 9.5 and determined Large doesn't squeeze my foot like Medium size (too exact). Bonus... avaliable olors beyond black and Grey.
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Reviewed in the United States on October 2, 2025

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