MSD Distributor Rotors 8421 Rotor, Brass Contact, Adjustable, Cap-A-Dapt, Each

SKU: MSD8421

Distributor Rotors

MSD Distributor Rotors 8421 Rotor, Brass Contact, Adjustable, Cap-A-Dapt, Each

SKU: MSD8421

Distributor Rotors

IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

MSD distributor rotors are molded from high-quality, voltage-insulating Rynite or alkyd materials to resist carbon tracking, while ensuring that the ignition spark reaches the spark plug terminals. For optimum voltage-carrying capabilities, the rotor tips are made from low-resistance brass.

Part Type

Rotor Assy. Cap-A-Dapt

Data: v4.2 - Upd: 2026-10-13 18:44:14

Specifications

Product Attributes - Brand: MSD Ignition
Product Attributes - Manufacturer's Part Number: 8421
Product Attributes - Part Type: Distributor Rotors
Product Attributes - Product Line: MSD Distributor Rotors
Product Attributes - UPC: 085132084210
Product Attributes - Contact Terminal Material: Brass
Product Attributes - Quantity: Sold individually.

Reference Information

Brand Name/s	Msd Ignition
StreetFX SKU	msd8421
SFX Item ID	4974376
Supplier Item Code	4974376
Manufacturer SKU	8421
Manufacturer UPC	85132084210

Compatibility

Application Data

Application Notes This is an adjustable rotor for the MSD Cap-A-Dapt kits.
Distributor Type MSD
Stock Distributor No

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1975
CID	302
Ending Year	1977
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	G
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1978
CC	5753
CID	351
Ending Year	1979
Engine Family	FORD MODIFIED V8 GAS
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Windsor; Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1978
CC	5753
CID	351
Ending Year	1979
Engine Family	FORD MODIFIED V8 GAS
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1978
CID	400
Ending Year	1979
Engine Family	FORD MODIFIED V8 GAS
Engine Size	6.6L/400
Engine Type	V8
Engine VIN Code	S
Liter	6.6
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1978
CID	400
Ending Year	1979
Engine Family	FORD MODIFIED V8 GAS
Engine Size	6.6L/400
Engine Type	V8
Engine VIN Code	S
Liter	6.6
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1978
CC	5753
CID	351
Ending Year	1992
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1978
CC	5753
CID	351
Ending Year	1993
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1980
CC	5753
CID	351
Ending Year	1982
Engine Family	FORD MODIFIED V8 GAS
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	G
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Windsor; Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1980
CC	5753
CID	351
Ending Year	1982
Engine Family	FORD MODIFIED V8 GAS
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	G
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1980
CID	302
Ending Year	1984
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	F
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1980
CID	302
Ending Year	1984
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	F
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1980
CC	5753
CID	351
Ending Year	1985
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	G
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Windsor; Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1980
CC	5753
CID	351
Ending Year	1985
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	G
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1985
CID	302
Ending Year	1992
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	N
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1985
CID	302
Ending Year	1993
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	N
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	CUSTOM

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1985
CC	5753
CID	351
Ending Year	1985
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	G
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	EDDIE BAUER

Application Notes	Windsor; Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1985
CC	5753
CID	351
Ending Year	1985
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	G
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	EDDIE BAUER

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1985
CID	302
Ending Year	1992
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	N
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	EDDIE BAUER

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1985
CC	5753
CID	351
Ending Year	1992
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	EDDIE BAUER

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1985
CID	302
Ending Year	1996
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	N
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	EDDIE BAUER

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1985
CC	5753
CID	351
Ending Year	1996
Engine Family	Ford small block Windsor
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	EDDIE BAUER

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1975
CID	302
Ending Year	1975
Engine Family	Ford small block Windsor
Engine Size	5.0L/302
Engine Type	V8
Engine VIN Code	G
Liter	5.0
Make	FORD
Model	BRONCO
Region	USA
Submodel	NORTHLAND

Application Notes	Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only;
Beginning Year	1978
CC	5753
CID	351
Ending Year	1978
Engine Family	FORD MODIFIED V8 GAS
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	NORTHLAND

Application Notes	Windsor; Cap-A-Dapt Rotor Assembly; Adjustable; For MSD Distributor Only
Beginning Year	1978
CC	5753
CID	351
Ending Year	1978
Engine Family	FORD MODIFIED V8 GAS
Engine Size	5.8L/351
Engine Type	V8
Engine VIN Code	H
Liter	5.8
Make	FORD
Model	BRONCO
Region	USA
Submodel	NORTHLAND