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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
GM 12 Blt 3.90 Standard Gear Set Richmond Gear – Produced in ItalyPart Number: RS12B390 Standard Gears are the perfect choice for replacement of OEM gear sets Providing long service life in Street, Street Track, & Oval track vehicles These gears can also be used in some Drag Race cars depending on weight & power If tooth breakage occurs, then Pro Gears or a larger rear end will become necessary Designed For 3. 07 to 3. 73 Carriers Will Not Fit Truck Rear Ends Machined From 8620 Forged Steel Heat Treated to Maximize
Part Number: RS12B390
Standard Gears are the perfect choice for replacement of OEM gear sets
Providing long service life in Street, Street / Track, & Oval track vehicles
These gears can also be used in some Drag Race cars depending on weight & power
If tooth breakage occurs, then Pro Gears or a larger rear end will become necessary
Designed For 3.07 to 3.73 Carriers
Will Not Fit Truck Rear Ends
Machined From 8620 Forged Steel
Heat Treated to Maximize Gear Life
Matched Ring & Pinion Set
Ring Gear
– 8.875″ OD
– Tooth count 39
– 12 bolt holes
– 3/8″-24 RH threads
Pinion
– 30 spline shaft
– Tooth count 10
– 7/8″-16 RH threads
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
My Dog's All-Time Favorite
This is the only toy my dog will fetch over and over until she's too tired to run. This is her all-time favorite toy. We have tried buying others to give her variety, and she just keeps going back to this one. She'll chase other toys once or twice and then lose interest. But this toy? She will chase it indefinitely. We've purchased multiple so we can have one in each vehicle for playdates at the park. 10/10
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Dog likes it
Great
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Reviewed in the United States on April 25, 2026
★★★★★ 5
The one bone to rule them all
This bone is definitely the favorite of all the different rubber bones we’ve tried. In fact, we did a green rubber bone test of two we bought to replace an old one and it was a clear winner. I don’t think it’s a matter of the sqeaky getting damaged as some dogs may eventually puncture the bone itself and then it won’t squeak. My little goober has serious teeth and she cannot stop squeaking this one. Also it bounces and I can throw it pretty far.
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Reviewed in the United States on July 2, 2025
★★★★★ 1
Not safe
Dog chewed off nubs on first day.
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Reviewed in the United States on February 17, 2026
★★★★★ 5
A replacement
This is a replacement for one my dog wore out after a year. This toy is great 👍 it is made very well. Our dog loves the squeaker and resists constant chewing. Lasted a year lol 😆
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2024
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