+ Gear sets are designed "extra thick" to be
used on 4.10 and numerically lower cases.
| Ratio | Teeth | Part # | Price |
| 3.75 | 45-12 | GM14/375 | $182.50 |
| 4.10 | 41-10 | GM14/410 | $182.50 |
| 4.56 | 41-9 | GM14/456 | $182.50 |
| 4.56+ | 41-9 | GM14/456+ | $196.50 |
| 4.88+ | 39-8 | GM14/488+ | $196.50 |
| 5.13+ | 41-8 | GM14/513+ | $196.50 |
When replacing 3.42 and numerically lower ratio
gear sets
with a 3.73 or higher gear, an extra thick ring
gear must be used or the case must be used or the case
must be changed to a 3.73 and higher case.
| Ratio | Teeth | Part # | Price |
| 3.08 | 40-13 | GM12/308 | $152.50 |
| 3.42 | 41-12 | GM12/342 | $152.50 |
| 3.73 | 41-11 | GM12/373 | $152.50 |
| 3.73+ | 41-11 | GM12/373+ | $162.50 |
| 4.10 | 41-10 | GM12/410 | $152.50 |
| 4.10+ | 41-10 | GM12/410+ | $162.50 |
| 4.56 | 41-9 | GM12/456 | $162.50 |
| 4.56+ | 39-8 | GM12/488+ | $172.50 |
| 4.88 | 39-8 | GM12/488 | $172.50 |
| 4.88+ | 39-8 | GM12/488+ | $179.50 |
+ Gear sets are designed "extra thick" to be
used
with a 2.76 thru 3.42 case.
| Ratio | Teeth | Part # | Price |
| 3.42 | 41-12 | GM9/342 | $195.50 |
| 3.73 | 41-11 | GM9/373 | $195.50 |
| 4.10 | 41-10 | GM9/410 | $195.50 |
| 4.56 | 41-9 | GM9/456 | $195.50 |
| 4.88 | 39-8 | GM9/488 | $210.50 |
When replacing 3.73 and numerically lower ratio gear sets
with a 3.90 or higher gear, an extra thick gear must be used
or the case must be
changed to a 3.90 and higher case.
| Ratio | Teeth | Part # | Price |
| 3.08 | 40-13 | GM12/308C | $182.50 |
| 3.42 | 41-12 | GM12/342C | $182.50 |
| 3.73 - | 41-11 | GM12/373C- | $187.50 |
| 3.73 | 41-11 | GM12/373C | $182.50 |
| 4.10 | 41-10 | GM12/410C | $182.50 |
| 4.10+ | 41-10 | GM12/410C+ | $187.50 |
| 4.30 | 43-10 | GM12/430C | $182.50 |
| 4.56 | 41-9 | GM12/456C | $182.50 |
| 4.56+ | 41-9 | GM12/456C+ | $187.50 |
| 4.88 | 39-8 | GM12/488C | $182.50 |
| 4.88+ | 39-8 | GM12/488C+ | $187.50 |
| 5.14 | 36-7 | GM12/514C | $182.50 |
- Gear set fits 3.90 or higher case.
+ Gear sets are designed "extra thick" to be
used
with 3.08 to 3.73 case.
| Ratio | Teeth | Part # | Price |
| 3.73 | 41-11 | GM10F/373 | $201.50 |
| 4.10 | 41-10 | GM10F/410 | $201.50 |
| 4.56 | 41-9 | GM10F/456 | $201.50 |
When replacing 2.56 and numerically lower ratio gear sets
with a 2.73 or higher gear, the case
must be changed to a 2.73 and higher case.
| Ratio | Teeth | Part # | Price |
| 2.73 | 49-18 | GM10/373 | $167.50 |
| 3.08 | 40-13 | GM10/308 | $167.50 |
| 3.42 | 41-12 | GM10/342 | $167.50 |
| 3.73 | 41-11 | GM10/373 | $167.50 |
| 3.90 | 39-10 | GM10/390 | $177.50 |
| 4.10 | 41-10 | GM10/410 | $167.50 |
| 4.56 | 41-9 | GM10/456 | $167.50 |
| 4.88 | 39-8 | GM10/488 | $177.50 |
| 5.13 | 41-8 | GM10/513 | $187.50 |
| Ratio | Teeth | Part # | Price |
| 3.08 | 40-13 | GM7/308 | $178.50 |
| 3.23 | 42-13 | GM7/323 | $178.50 |
| 3.42 | 41-12 | GM7/342 | $178.50 |
| 3.42+ | 41-12 | GM7/342+ | $184.50 |
| 3.73 | 41-11 | GM7/373 | $178.50 |
| 3.73+ | 41-11 | GM7/373+ | $184.50 |
| 4.10 | 41.10 | GM7/410 | $178.50 |
| 4.10+ | 41-10 | GM7/410+ | $184.50 |
| 4.56 | 41-9 | GM7/456 | $178.50 |
| 4.56+ | 41-9 | GM7/456+ | $184.50 |
+ Gear sets are designed "extra thick" to be used
on 3.08 and numerically lower cases.
When replacing 2.73 and numerically lower ratio gear sets
with a 3.08 or higher gear, the case must be
changed to a 3.08 and higher case.
| Ratio | Teeth | Part # | Price |
| 3.73 | 41-11 | GM10/373E | $174.50 |
| 4.10 | 41-10 | GM10/410 | $174.50 |
| 4.56 | 41-9 | GM10/456E | $174.50 |
To Place an Order Please
Call
8:00am-5:00pm PST
1-877-463-4721
Service Dept. 702-568-5680
