Mustang Speedometer Gear Application Guide - LMR.com

Ring & Pinion	Speedo Gear	Part Number
1983-89 Mustang Manual 5-Speed
3.08	18 Tooth	LRS-17271H-K
3.27	19 Tooth	LRS-17271A-K
3.55	20 Tooth	LRS-17271B-K
3.73	21 Tooth	LRS-17271C-K
4.10	23 Tooth	LRS-17271D-K
1990-93 Mustang Manual 5-Speed
3.08	20 Tooth	LRS-17271B-K
3.27	21 Tooth	LRS-17271C-K
3.55	23 Tooth	LRS-17271D-K
1984-89 Mustang Automatic AOD
3.27	19 Tooth	LRS-17271E-K
3.55	20 Tooth	LRS-17271F-K
3.73	21 Tooth	LRS-17271G-K
4.10	23 Tooth	LRS-17271J-K
1990-93 Mustang Automatic AOD
2.73	19 Tooth	LRS-17271E-K
3.08	20 Tooth	LRS-17271F-K
3.27	21 Tooth	LRS-17271G-K
3.55	23 Tooth	LRS-17271J-K
1996-98 Mustang Cobra Manual 5-Speed
3.27	19 Tooth	LRS-17271A-K
3.55	20 Tooth	LRS-17271B-K
3.73	21 Tooth	LRS-17271C-K
4.10	Speed Cal	LRS-SPDCAL2
1994-98 Mustang Manual 5-Speed Except 1996-98 Cobra
3.08	20 Tooth	LRS-17271B-K
3.27	21 Tooth	LRS-17271C-K
3.55	23 Tooth	LRS-17271D-K
1994-98 Mustang Automatic AOD
2.73	19 Tooth	LRS-17271E-K
3.08	20 Tooth	LRS-17271F-K
3.27	21 Tooth	LRS-17271G-K
3.55	23 Tooth	LRS-17271J-K

Ring & Pinion

Speedo Gear

Part Number

1983-89 Mustang Manual 5-Speed

3.08

18 Tooth

3.27

19 Tooth

3.55

20 Tooth