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Mustangtek Differential and  Transmission Ratio Calculator

 

  

FORD and Mustang Distributors   ( Ford Service Part Number ID 12127 )

C0AF-12127-B

Ok60 352 Ford and Thunderbird 4V

Single point

Ford Service Part Number ID C0AZ-12127-B

C0AF-12127-D

Ok60-63 352 Ford 2V, FM or CM

Single point

Ford Service Part Number ID C3AZ-12127-AH

C0AF-12127-K

Ok61-63 390 Ford Special 4V

Ok61-63 406 Ford Special 4V or

Dual points

Ford Service Part Number ID C0AZ-12127-K

C2AF-12127-A

Ok62-63 352 Full size Ford

?61 390 Full size Ford Thunderbird

Ok62-63 390 Full size Ford

Single points

Ford Service Part Number ID C3AZ-12127-AH

C2SF-12127-A

Ok62-63 390 exc/6v Thunderbird (PC)

Single points

Ford Service Part Number ID C2SZ-12127-A

C2SF-12127-B

Ok62-63 390 6v Thunderbird

Single points

Ford Service Part Number ID C2SZ-12127-B

C3AF-12127-AD

Ok63 390 Ford ST

Single points

Ford Service Part Number ID C3AZ-12127-AD

C3AF-12127-AE

427

Ok63 406 4v-6v exc/trans ign

Ok63-64 427 4v-8v exc/trans ign

Dual points

Mech advance only

Ford Service Part Number ID C3AZ-12127-AE

C3AF-12127-AH

Ok61-63 390 Ford ST

Ok62-63 390 PC

Ok61-63 390 Sthunderbird exc/6V

Single points

Ford Service Part Number ID C3AZ-12127-AH

C3OF-12127-D

289 HIPOShelby

Ok63-64 289 Hipo Fairlane

Certified64-early65 289 Hipo Mustang 4v

Ok63-65 289 Cobra

Dual points

Ford Service Part Number ID C3OZ-12127-D

C3OF-12127-E

Ok63 221 Fairlane (F/M/2)

Single points

Ford Service Part Number ID C3OZ-12127-A

C3OF-12127-F

289 HIPO

Ok63-64 289 Hipo Fairlane

Certified64-early65 289 Hipo Mustang 4v

Dual points

Ford Service Part Number ID C3OZ-12127-D

C3OF-12127-G

Shelby

Ok62-63 260 Fairlane Falcon w/ST

Ok63 early 260 Cobra

Single Points

Ford Service Part Number ID C2OZ-12127-D

C4AF-12127-L

Ok64 352 Full size Ford 4V & ST

Single points

Ford Service Part Number ID C4AZ-12127-L

C4AF-12127-M

Ok64 352 Full size Ford 4V CM

Single points

Ford Service Part Number ID C4AZ-12127-M

C4AF-12127-N

Ok64 390 Full size Ford Thunderbird

Single points

Ford Service Part Number ID C4AZ-12127-N

C4GF-12127-B

C4GF-12127-C

Ok64-65 289 Mustang C4 exc/Hipo

Single points

Ford Service Part Number ID C4GY-12127-B

C4OF-12127-A

Ok64 260 Fairlaine, Falcon ST & OD

Single points

Ford Service Part Number ID C4OZ-12127-A

C4OF-12127-B

Ok64 260 Fairlaine, Falcon FM2 & CM

Ok65 260 Mustang ST & C4

Single points

Ford Service Part Number ID C4OZ-12127-B

C4ZF-12127-C

Ok64-65 289 Mustang 4v ST exc/Hipo

Single points

Ford Service Part Number ID C5ZZ-12127-C

C4ZF-12127-D

289 HIPO

Certified64-early65 289 Hipo Mustang 4v

Dual points

Ford Service Part Number ID C5ZZ-12127-D

C4ZF-12127-E

Ok64-65 289 Mustang ST C4

Single points

Ford Service Part Number ID C4OZ-12127-B

C5AF-12127-A

Ok64+ 352 Full size Ford ST

Single points

Ford Service Part Number ID C5AZ-12127-A

C5AF-12127-B

Ok65 289 Mustang 4v ST exc/Hipo

Single points

Ford Service Part Number ID C5ZZ-12127-C

C5AF-12127-E

427Shelby

Ok65-71 390 All_HIPerf

Ok65 427 Ford Special 4v ST exc/trans.idn.

Ok65-70 427 428 All_HiPerf

Ok65-67 427 Hipo Ford Fairlane 4v,6v.8v

Ok67 428 Shelby GT500

Ok65-67 427 Cobra

Dual Points

Mech advance only

Ford Service Part Number ID C5AZ-12127-E

C5AF-12127-F

427

Ok65-67 427 Hipo Ford Fairlane 4v,6v or 8v w/trans_ign

Dual Points

Mech advance only

Ford Service Part Number ID C5AZ-12127-F

C5AF-12127-M

Ok65-66 289 Ford Mustang Fairlaine Falcon 2v ST exc/TE

Single points

Ford Service Part Number ID C5AZ-12127-M

C5AF-12127-N

Ok65 289 Ford Fairlane Mustang Falcon 2v C4_CM_exc/TE

Single points

Ford Service Part Number ID C5AZ-12127-N

C5GF-12127-A

Ok65-66 289 Mustang Fairlaine Falcon 4v exc/TE

Single points

Ford Service Part Number ID C5GY-12127-A

C5GF-12127-C

Ok64-65 289 Mustang C4 exc/Hipo

Single points

Ford Service Part Number ID C4GY-12127-B

C5MF-12127-A

?65 FE Mercury application

Single points

 

C5OF-12127-E

289 HIPOShelby

Certified65 289 Hipo 4v

Certified65-67 289 Hipo 4v ST exc/TE

Certified66-67 289 Hipo 4v w/TE

Certified65-67 Shelby GT-350

Mechanical advance

Dual points

Ford Service Part Number ID C5OZ-12127-E

C6AF-12127-J

Ok66 289 Ford Fairlane Mustang Falcon 2v 3_4/sp&TE

Single points

Ford Service Part Number ID C6AZ-12127-J

C6OF-12127-J

Ok67 390 FairlaneGT

Single Points

Ford Service Part Number ID C6OZ-12127-J

C6ZF-12127-A

Ok66 289 Mustang Falcon 4v 3_4/sp &TE

Single points

Ford Service Part Number ID C6ZZ-12127-A

C6ZF-12127-B

Ok66 289 Mustang Falcon 4v CE &TE

Single points

Ford Service Part Number ID C7OZ-12127-E

C7AF-12127-AA

Ok67 390 Ford Fairlane 2v CM C6 w/TE

Ok69-71 390 Ford 2v C6 w/Imco

Ok71 390 Ford 2v AT California

Single points

Ford Service Part Number ID C7AZ-12127-D

C7AF-12127-AC

Ok67 390 Ford Fairlane Tbird 4v C6 TE

Ok68-69 390 Ford Torino Mustang 4v C6 Imco

Single Points

Ford Service Part Number ID C7AZ-12127-L

C7AF-12127-AK

? 289

Single Points

Ford Service Part Number ID

C7AF-12127-D

Ok67 390 Ford Fairlane 2v CM C6 w/TE

Single points

Ford Service Part Number ID C7AZ-12127-D

C7AF-12127-E

Ok67 390 Ford Fairlane 4v ST exc/TE

Single points

Ford Service Part Number ID C7AZ-12127-E

C7AF-12127-F

Ok67 390 Ford Fairlane 4v C6 exc/TE

Single points

Ford Service Part Number ID C7AZ-12127-F

C7AF-12127-L

Ok67 390 Ford Fairlane Tbird 4v C6 TE

Ok68-69 390 Ford Torino Mustang 4v C6 Imco

Single Points

Ford Service Part Number ID C7AZ-12127-L

C7AF-12127-U

Ok67 390 FairlaneGT Mustang 4v C6 exc/TE

 

Ford Service Part Number ID C7AZ-12127-U

C7AF-12127-V

Ok67 390 FairlaneGT Mustang 4v C6 exc/TE

 

Ford Service Part Number ID C7AZ-12127-U

C7OF-12127-A

Ok67 289 Ford Mustang Fairlaine Falcon Bronco 2v 3_4/sp exc/TE

Single points

Ford Service Part Number ID C7OZ-12127-A

C7OF-12127-AE

Ok67 289 Ford Mustang Fairlaine Falcon 2v C4-exc/TE

Single points

Ford Service Part Number ID C7AZ-12127-AE

C7OF-12127-B

Ok67 289 Ford Mustang Fairlaine Falcon 2v C4-exc/TE

Single points

Ford Service Part Number ID C7OZ-12127-B

C7OF-12127-E

Ok67 289 Ford Mustang Fairlaine Falcon 2v C4 &TE

Single points

Ford Service Part Number ID C7OZ-12127-E

C7OF-12127-F

428 CJ SCJ427

Ok67 390 FairlaneGT Mustang 4v C6 3_4/sp TE

Ok68-69 390 FairlaneGT Mustang AT-w/TE

Ok68 427 Fairlane

Ok67-69 428CJ Fairlane Mustang w/AT&Imco

Ok69 428 Ford PC AT&TE

Single Points

Ford Service Part Number ID C7OZ-12127-F

C7OF-12127-G

427

Ok67 390 FairlaneGT Mustang 4v C6 3_4/sp TE

Ok68 427 Fairlane

Single Points

Ford Service Part Number ID C7OZ-12127-F

C7OF-12127-H

Ok67 390 FairlaneGT Mustang 4v ST exc/TE

Single points

Ford Service Part Number ID C7OZ-12127-H

C7OF-12127-K

289 HIPO

Certified67-68 289 Hipo Fairlane Mustang Falcon 4v&TE

Dual points

No vacuum advance

Ford Service Part Number ID C7ZZ-12127-K

C7ZF-12127-B

Ok67 289 Mustang Falcon 4v C4 exc/TE

Single points

Ford Service Part Number ID C7ZZ-12127-B

C7ZF-12127-C

Ok67 289 Mustang Falcon 4v 3_4/sp &TE

Single points

Ford Service Part Number ID C7ZZ-12127-C

C7ZF-12127-D

Ok67 289 Mustang Falcon 4v C4&TE

Single points

Ford Service Part Number ID C7ZZ-12127-D

C7ZF-12127-E

Ok67 289 Mustang Falcon 4v 3_4/sp &TE

Single points

Ford Service Part Number ID C7ZZ-12127-C

C7ZF-12127-F

Ok67-68 269 Mustang Falcon 4v 3&4speed exc/TE

Single points

Ford Service Part Number ID C7ZZ-12127-A

C7ZF-12127-G

Ok67 289 Mustang Falcon 4v C4 &TE

Single points

Ford Service Part Number ID C7ZZ-12127-G

C7ZF-12127-H

Ok67 289 Mustang Falcon 4v C4 &TE

Single points

Ford Service Part Number ID C7OZ-12127-E

C7ZF-12127-J

289 HIPO

Certified67 289 Hipo Mustang 4v TE

Dual points

Ford Service Part Number ID C7ZZ-12127-J

C8AF-12127-AD

427

Ok68 427 Fairlane

Single Points

Ford Service Part Number ID C7OZ-12127-F

C8AF-12127-E

Ok68-69 302 Ford Fairlane 2v ST &TE

Ok69 302 Ford &Taxi PC Fairlane Mustang Falcon ST &Imco

Single points

Ford Service Part Number ID C8AZ-12127-E

C8AF-12127-J

Shelby

Ok68-69 428 Ford PC C6 TE

Ok68 428 Shelby GT-500

Single points

Ford Service Part Number ID C8AZ-12127-J

C8AF-12127-R

Ok68 390 Thunderbird 4v C6 Imco

Single points

Ford Service Part Number ID C8AZ-12127-R

C8OF-12127-C

Ok68 302 Mustang Falcon Fairlane 2v AT &Imco

Single points

Ford Service Part Number ID C8OZ-12127-C

C8OF-12127-D

428 CJ SCJShelby

Certified68 390 FairlaneGT MustangGT 4v TE

Certified68-69 428CJ Fairlane Mustang C6 ST TE

Ok68 428CJ Shelby GT-500KR

Single points

Ford Service Part Number ID C8OZ-12127-D

C8OF-12127-G

427

Ok68 427 Fairlane Mustang 4v C6 TE

 

 

Ford Service Part Number ID C8OZ-12127-G

C8OF-12127-H

428 CJ SCJShelby

Certified69 428CJ Torino Mustang ST w/TE

Ok69-70 428CJ Shelby GT-500 4sp

Single points

Ford Service Part Number ID C8OZ-12127-H

 

C8OF-12127-J

428 CJ SCJShelby

Certified69 428CJ Mustang Torino AT TE

Ok69-70 428CJ Shelby GT-500 AT

Single points

Ford Service Part Number ID C8OZ-12127-J

 

C8ZF-12127-A

Shelby

Ok68 302 Mustang Falcon 4v 3/sp&TE

Ok68 302 Shelby GT-350 4/sp

Single points

Ford Service Part Number ID C8ZZ-12127-A

C8ZF-12127-B

Shelby

Ok68 302 Mustang 4v AT & Imco

Ok68 302 Shelby GT-350 AT

Single points

Ford Service Part Number ID C8ZZ-12127-B

C8ZF-12127-D

Ok68 302 Mustang Falcon 4v AT & Imco

Single points

Ford Service Part Number ID C8ZZ-12127-D

C9AF-12127-N

Ok69 302 Ford &Taxi PC Fairlane Mustang Falcon (2v AT &Imco)wo/AC

Single points

Ford Service Part Number ID C9AZ-12127-M

C9AF-12127-U

Boss 429

Ok69  Boss 429 Mustang 4v b4_2/28/69

Dual Points

Dual Vacuum Retard

Ford Service Part Number ID C9AZ-12127-U

C9AF-12127-R

Ok69 302 Ford &Taxi PC Fairlane Mustang Falcon AT w/AC

Single points

Ford Service Part Number ID C9AZ-12127-R

C9AF-12127-Y

Ok69-70 429 Ford 4v ST Imco

Ok70 429 Torino 4v ST Imco

Single points

Ford Service Part Number ID C9AZ-12127-Y

C9OF-12127-M

Ok69 351W Ford Torino Mustang 2v AT/ST Imco

Single points

Ford Service Part Number ID C9OZ-12127-E

C9OF-12127-N

Shelby

Ok69 351W Torino Mustang 4v ST Imco

Ok69-70 351W Shelby GT-350 4sp

Single points

Ford Service Part Number ID C9OZ-12127-G

C9OF-12127-T

Shelby

Ok69 351W Torino Mustang 4v AT

Ok69-70 351W Shelby GT-350 AT

Single points

Ford Service Part Number ID C9OZ-12127-T

C9OF-12127-Z

Ok69 351W Torino Mustang 4v AT

Single points

Ford Service Part Number ID C9OZ-12127-Z

C9ZF-12127-B

Boss 302

Certified69 Boss 302 Mustang 4v ST-wTE

Dual Points

Ford Service Part Number ID C9ZZ-12127-B

C9ZF-12127-C

?

Dual Points

w/ Tach drive

C9ZF-12127-D

Boss 429

Ok69-70 Boss 429 Mustang 4v from_2/28/69

Dual Points

Dual Vacuum Retard

Ford Service Part Number ID C9ZZ-12127-D

C9ZF-12127-E

Boss 302

Certified69-70 Boss 302 Mustang 4v ST-wTE

B2 tech article

Beware of Fakes

or

Read this post from Boss302 forum identifying original versus fake distributors

Dual Points

X12 marked Autolite dual Vacuum Retard

Ford Service Part Number ID C9ZZ-12127-E

 

D0AF-12127-H

Shelby

Ok70 351W  Ford Mustang 2v ST Imco

Ok70 351W  Shelby GT350 4v ST

Single Points

Ford Service Part Number ID D0AZ-12127-H

DOAF-12127-T

Ok70 302 Ford &Taxi PC Torino Mustang 2v AT Imco

Single points

Ford Service Part Number ID D0AZ-12127-T

DOAF-12127-Y

Ok70 302 Ford &Taxi PC Torino Mustang 2v ST Imco

Single points

Ford Service Part Number ID D0AZ-12127-Y

DOAF-12127-Z

Ok70 429 Ford Torino 4v AT

 

Ford Service Part Number ID D0AZ-12127-Z

D0OF-12127-AA

Ok70 429CJ&SCJ Torino 4v ST TE

Ok71 429CJ&SCJ Mustang 4v ST TE

Ok71 429CJ Torino Mustang 4v ST

4 Speed

Dual Points

Ford Service Part Number ID D0OZ-12127-J

DOOF-12127-AC

Ok70-71 302 Torino Mustang Falcon 2v AT Imco

Single points

Ford Service Part Number ID D0OZ-12127-AC

D0OF-12127-E

Ok70 351C Torino 2v ST Imco

Ok70-71 351C Mustang 2v ST Imco

Single Points

Ford Service Part Number ID D2ZZ-12127-A

D0OF-12127-F

Ok70 351C Torino 2v AT Imco

Single Points

Ford Service Part Number ID D0OZ-12127-F

D0OF-12127-G

Ok71 351C Mustang Torino 4v AT exc/California

Single Points

Ford Service Part Number ID D0OZ-12127-T

D0OF-12127-J

Ok70 429CJ&SCJ Torino 4v ST TE

Ok71 429CJ&SCJ Mustang 4v ST TE

Ok71 429CJ Torino Mustang 4v ST

4 Speed

Dual Points

Ford Service Part Number ID D0OZ-12127-J

D0OF-12127-U

? 351C

Single Points

 

D0OF-12127-V

Ok70-71 351C Mustang Torino 4v ST Imco

Single Points

Ford Service Part Number ID D0OZ-12127-F

D0OF-12127-Y

Ok70-71 429 Torino 4v AT TE

Ok71 429CJ/SCJ Mustang 4v ST w/TE

Single Points

Ford Service Part Number ID D0OZ-12127-K

D0OF-12127-Z

Ok70 351C Mustang Torino 4v ST AT Imco

Single Points

Ford Service Part Number ID D0OZ-12127-G

D0TF-12127-J

?70  FE

Single Points

D0ZF-12127-C

428 CJ SCJ

Certified70 428CJ & SCJ Mustang 4v ST TE

Beware of Fakes

Read this post on the Cobra Jet forum to help identify an original versus a fake distributor

Dual Points

Vacuum Retard

Ford Service Part Number ID D0ZZ-12127-C

D0ZF-12127-G

428 CJ SCJShelby

Certified70 428CJ Mustang 4v AT TE

Ok70 428CJ shelby GT500 4v AT TE

Single point

Ford Service Part Number ID D0ZZ-12127-D

D1AF-12127-NA

Ok71 429 Ford 4v AT

Ok71 429CJ Torino 4v AT

Ok71 429SCJ Mustang 4v AT

 

Ford Service Part Number ID D1AZ-12127-N

D1ZF-12127-AA

Ok71 302 Mustang 4v ST w/TE

Single points

Ford Service Part Number ID D1ZZ-12127-A

D1ZF-12127-AB

Ok71 302 Mustang 4v ST w/TE

Single points

Ford Service Part Number ID D1ZZ-12127-A

D1ZF-12127-DA

BOSS 351 Mustang

Certified71 BOSS 351 Mustang 4v ST Imco

Dual Points

Ford Service Part Number ID D1ZZ-12127-D

D2OF-12127-AA

Ok72 302 Mustang 2v ST

Single points

Ford Service Part Number ID D2OZ-12127-A

D2OF-12127-HA

Ok72 302 Mustang Maverick 2v AT exc/California

Single points

Ford Service Part Number ID D2OZ-12127-H

Application

legend

  Shelby Mustang 289 HIPO 428 CJ SCJ Boss 429 BOSS 351 Mustang Boss 302 427

Certified Confirmed App

Ok Unconfirmed App

? Unknown App