Select Your Ride

1
2
3

MSD adjustable rotor assembly for Ford V8 engines 1972-1997 8421

Part Number: MSD8421
MSD IGNITION
(No reviews yet) Write a Review
SKU:
MSD8421
UPC:
85132084210
MPN:
8421
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.40 LBS
$67.49
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

Precise ignition timing is the foundation of peak engine performance, and the MSD adjustable rotor assembly puts that control directly in your hands. Whether you're tuning a carbureted big-block or running a multi-step timing controller, this rotor allows you to dial in exact rotor-to-cap alignment for optimal spark delivery. Built for serious Ford V8 builders who refuse to leave performance on the table.

Technical Specifications:

  • Adjustable rotor phasing
  • MSD Pro-Billet compatible
  • Ford V8 1972–1997
  • CNC-machined construction
  • Bolt-on installation
  • Part Number: 8421
  • 1-year limited warranty
  • Excludes Ford FE (PN 8594)
View AllClose

Specs

MFG Part #:
8421
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for MSD adjustable rotor assembly for Ford V8 engines 1972-1997 8421

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER