Ford engine code decode and ID

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Side by side Ford parts

 

 

Mustangtek Differential and  Transmission Ratio Calculator

 

FORD and Mustang Camshafts    ( Ford Service Part Number 6250 )

Light Blue Stripe

On both sides of #3 journal

Ok66-68 390 GT

Certified68-70 428CJ

428 CJ SCJ

Hydraulic

Duration  i:270  e:290

Lift   i:.481  e:.490

Overlap  46°

C6OZ-6250-B

Pink Stripe

between dist. gear and first jounal

Ok61-62 390 6V

Hydraulic

Duration  270 °

Lift   .446

Overlap  58 °

Ford Service Part Number C2SZ-6250-A

Stamped between gear and first jounal

First digit upside down

Ok62-63 406 6v

Hydraulic

Duration  270 °

Lift   .401

Overlap  44 °

Ford Service Part Number C0AZ-6250-A

Stamped after last lobe

First digit upside down

Ok63-65 390 PC

Solid Lifter

Lash  .025

Duration  282 °

Lift   .440

Overlap  54 °

Ford Service Part Number C3AZ-6250-T

Stamped after last lobe

First digit upside down

Ok63 390-406 4v 6v 8v

Ok66 428 PC

Solid Lifter

Hi perf

Lash  .025

Duration  306°

Lift   .500

Overlap  78 °

Ford Service Part Number C3AZ-6250-D

Stamped after last lobe

First digit upside down

Ok63-68 427 4v 8v

427

Solid Lifter

Hi perf

Lash  .025

Duration  306°

Lift   .500

Overlap  78 °

Ford Service Part Number C3AZ-6250-AA

Stamped after last lobe

Certified68 427 Auto

427

Hydraulic Lifter

Duration  i:270  e:290°

Lift   i:.481  e:.490

Overlap  46 °

Ford Service Part Number C8AZ-6250-A

Stamped after last lobe

First digit upside down

Ok65-69 390

Ok66-69 428

Certified63-68 427

Hi perf

15 teeth on dist gear

Ford Service Part Number C3AZ-6250-AA

Stamped between gear and first jounal.

First digit upside down

Certified63-67 289 HiPo

289 HIPO

Solid Lifter

Lash  .019

Duration  310 °

Lift   .477

Overlap  82°

Ford Service Part Number C3OZ-6250-C

Stamped after last lobe

First digit upside down

Certified 69-70 BOSS 302

Boss 302

Solid Lifter

Stamped on end of shaft

Lash  .025

Duration  290 °

Lift   .477

Overlap  58 °

Ford Service Part Number D0ZZ-6250-A

Stamped between gear and first jounal.

First digit upside down

Ok66-71 390 410 428

Ok69 390GT

Hydraulic Lifter

Duration  256 °

Lift   .438

Overlap  37 °

Ford Service Part Number C6AZ-6250-A

Stamped after last lobe

First digit upside down

Certified67-71 390 2v

Hydraulic Lifter

Duration  i:256   e:266°

Lift   i:.427  e:.431

Overlap  36°

Ford Service Part Number C7AZ-6250-A

First digit upside down

Certified72 429 Police

Hydraulic Lifter

Duration  i:288  e:292°

Lift   i:.493  e:.501

Overlap  61 °

Ford Service Part Number D2OZ-6250-A

First digit upside down

Certified68-72 429 460

Hydraulic Lifter

Duration  i:256  e:270°

Lift   .487

Overlap  36 °

Ford Service Part Number C8SZ-6250-A

Stamped on end of shaft

First digit upside down

Certified69-71 351W

Hydraulic Lifter

Duration  i:256   e:270

Lift   i:.425  e:.450

Overlap  33°

Ford Service Part Number C9OZ-6250-A

Stamped after last lobe

?70-72 351C 2v

Hydraulic Lifter

Duration  i:258  e:266

Lift   .400

Overlap  32°

Ford Service Part Number D0AZ-6250-B

Stamped after last lobe

First digit upside down

Certified70-71 351C 4v

Hydraulic Lifter

Duration  i:268  e:280

Lift   i:.420  e:.460

Overlap  37°

Ford Service Part Number D0AZ-6250-C

Stamped after last lobe

First digit upside down

Certified71 351 CJ

Hydraulic Lifter

Duration  i:270  e:290

Lift   i:.481  e:.490

Overlap  46 °

Ford Service Part Number D1ZZ-6250-A

Stamped after last lobe

First digit upside down

Certified71 351 Boss

Solid Lifter

Lash  .025

Duration  290°

Lift  .477

Overlap  58°

Ford Service Part Number D1ZZ-6250-B

Stamped after last lobe

First digit upside down

Certified72 351C HO

Solid Lifter

Lash  .025

Duration  275°

Lift  .490

Overlap  35 °

Ford Service Part Number D2ZZ-6250-A

C8AX-C

Stamped on end of shaft

Certified427 428CJ

Aftermarket Ford

Hydraulic Lifter

Duration  i:282  e:296°

Lift   .500

Overlap  58 °

Ford Service Part Number C8AX-6250-C

C8AX-D

Stamped on end of shaft

Certified427 428CJ (race)

Solid Lifter

Lash  .025

Duration  330

Lift   .600

Overlap  116°

Ford Service Part Number C8AX-6250-D

D0ZX-A

Stamped on end of shaft

OkSpecial Boss 302

Solid Lifter

Lash  .025

Duration  i:324  e:324

Lift   i:589  e:589

Overlap  114 °

Ford Service Part Number D0ZX-6250-B

D0ZX-C

Stamped on end of shaft

OkSpecial 302

Solid Lifter

Lash  .025

Duration  i:330  e:338

Lift   i:.600  e:.620

Overlap  130°

Ford Service Part Number D0ZX-6250-C

D1ZX-CA

Stamped on end of shaft

Ok351C Special (racing)

Solid Lifter

Lash  .025

Duration  i:326  e:334°

Lift   i:.589  e:.612

Overlap  126°

Ford Service Part Number D1ZX-6250-FA

D1ZX-EA

Stamped on end of shaft

Certified429 (racing)

Solid Lifter

Lash  .013

Duration  338°

Lift   .620

Overlap  135°

Ford Service Part Number D1ZX-6250-EA

Stamped after last lobe

Ok62-65 221-260

Hydraulic Lifter

Duration  252°

Lift   .380

Overlap  36°

Ford Service Part Number C30Z-6250-B

Stamped after last lobe

Certified64-67  289

Certified68-72  302

Hydraulic Lifter

Duration  i:266   e:244

Lift   i:.360  e:.380

Overlap  36°

Ford Service Part Number C3AZ-6250-U

Ok61-76 390

Ok62-63 406

Solid Lifter

Letter V may just be a misspelled

Ok63-68 289 Hipo

289 HIPO

Solid Lifter

Lash  .019

Duration  i:310  e:310

Lift   i:.460  e:.460

Overlap  82°

Stamped after last lobe

Ok62-66 352-390

Hydraulic Lifter

Duration  270 °

Lift   .401

Overlap  44 °

Ford Service Part Number C3AZ-6250-U

 

Ok69 BOSS 429 (early)

Ok70-71 429 CJ

Boss 429

Hydraulic Lifter

Duration  i:282  e:296°

Lift   .506

Overlap  58 °

Ford Service Part Number C9AZ-6250-A

 

Ok70 BOSS 429

Ok70-71 429 SCJ

Boss 429

Solid Lifter

Lash  .013

Duration  300°

Lift   .509

Overlap  72 °

Ford Service Part Number D0AZ-6250-D

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