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706 people found this review helpful August 26, 2019Other Upgrades/Parts Recommended by Reviewer: Shock absorbersoverall
FIT & FINISH
DESIGN
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This product currently has 1 reviews
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Customer Performance Survey:
Customers surveying this product said...
100%"Improves performance"
Currently all feedbacks are left by AsiaTees customers.
- Made of hardened steel. Direct replacement of the stock gear (6879)
Replaces Traxxas part 6879 ring gear, differential/ pinion gear, differential (rear).
Fits:
- Rally VXL rear
- Slash 4X4 rear
- Slash 4x4 Platinum
- Slash 4x4 Ultimate rear
- Telluride 4X4 rear
- XO-1 rear
- 4-Tec 2.0 AWD rear
- 4-Tec 2.0 VXL AWD rear
- Ford Fiesta ST Rally rear
- Ford GT rear
- Ford Mustang GT rear
- Stampede 4x4 VXL rear
Gear one:
- Diameter (Inner): 6.5mm
- Diameter(Outer): 37mm
- Thickness: 4mm
Gear Two:
- Diameter : 15mm
- Height : 10mm
- Package total weight: 35.00 grams (incl. packaging)
- Factory description: Boom Racing Traxxas Slash 4X4 Rear Steel Heavy Duty Helical Spiral Differential Ring & Pinion Gear (37T/13T) for All Traxxas 4WD 4X4
- Manufactured by Boom Racing
- Manufacturer number: BR271098
- This item is eligible for in-store promotions
- Nobody beats our price! See our Best Price Guarantee, or your money back!
- Questions about this product? Ask Our Technical Support
- You may Request Additional Product Information for this product.
- Looking for screws / bolts to assemble this product? Email Us
Find something wrong in this description?
Help us fix it! Report An Error
Traxxas
Slash 4X4 Parts & Upgrades
Rear Heavy Duty Steel Helical Spiral Differential Ring & Pinion Gear (37T/13T) for All Traxxas 4WD 4X4
by Boom Racing
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- Made of hardened steel. Direct replacement of the stock gear (6879)
Replaces Traxxas part 6879 ring gear, differential/ pinion gear, differential (rear).
Fits:
- Rally VXL rear
- Slash 4X4 rear
- Slash 4x4 Platinum
- Slash 4x4 Ultimate rear
- Telluride 4X4 rear
- XO-1 rear
- 4-Tec 2.0 AWD rear
- 4-Tec 2.0 VXL AWD rear
- Ford Fiesta ST Rally rear
- Ford GT rear
- Ford Mustang GT rear
- Stampede 4x4 VXL rear
Gear one:
- Diameter (Inner): 6.5mm
- Diameter(Outer): 37mm
- Thickness: 4mm
Gear Two:
- Diameter : 15mm
- Height : 10mm
- Product weight: 35.00 grams
- Factory description: Boom Racing Traxxas Slash 4X4 Rear Steel Heavy Duty Helical Spiral Differential Ring & Pinion Gear (37T/13T) for All Traxxas 4WD 4X4
- Manufactured by Boom Racing
- Manufacturer number: BR271098
- This item is eligible for in-store promotions
- Nobody beats our price! See our Best Price Guarantee, or your money back!
- Questions about this product? Ask Our Technical Support
- You may Request Additional Product Information for this product.
- Looking for screws / bolts to assemble this product? Email Us
Find something wrong in this description?
Help us fix it! Report An Error
| Quantity Discount | |||
|---|---|---|---|
| Units at this Price | ATees' Low Price (Per Unit) |
You Save | Click To Order |
This product currently has 1 reviews
Overall Rating:
|
![]() |
Customer Performance Survey:
Customers surveying this product said...
100%"Improves performance"
Currently all feedbacks are left by AsiaTees customers.
The Traxxas Slash 4X4 Rear Heavy Duty Steel Helical Spiral Differential Ring & Pinion Gear (37T/13T) for All Traxxas 4WD 4X4 has an average rating of
stars based on 1 customer reviews.
Boom Racing is a premium RC brand dedicated to scale realism, innovative engineering, and trail-proven performance. Known for the BRX chassis platform and product lines including PHAT™ Axles, ProBuild™ Wheels, KUDU™ Suspension Systems, and officially licensed scale vehicles, Boom Racing develops products that combine authentic scale detail with real-world capability.
Every product is designed with a focus on quality, durability, compatibility, and performance, allowing enthusiasts to build vehicles that look authentic and perform confidently on challenging terrain. From complete vehicle platforms to precision-engineered upgrades and accessories, Boom Racing offers a comprehensive ecosystem for scale RC builders and drivers.
Designed by enthusiasts for enthusiasts, Boom Racing products are trusted by hobbyists around the world who appreciate attention to detail, innovative features, and a commitment to advancing the scale RC experience.
Recent Customer Reviews - 1 Reviews Total 
The Traxxas Slash 4X4 Rear Heavy Duty Steel Helical Spiral Differential Ring & Pinion Gear (37T/13T) for All Traxxas 4WD 4X4 has an average rating of
stars based on 1 customer reviews.
-
706 people found this review helpful August 26, 2019Other Upgrades/Parts Recommended by Reviewer: Shock absorbersoverall
FIT & FINISH
DESIGN
Was this review helpful? Yes
About Boom Racing
Boom Racing is a premium RC brand dedicated to scale realism, innovative engineering, and trail-proven performance. Known for the BRX chassis platform and product lines including PHAT™ Axles, ProBuild™ Wheels, KUDU™ Suspension Systems, and officially licensed scale vehicles, Boom Racing develops products that combine authentic scale detail with real-world capability.
Every product is designed with a focus on quality, durability, compatibility, and performance, allowing enthusiasts to build vehicles that look authentic and perform confidently on challenging terrain. From complete vehicle platforms to precision-engineered upgrades and accessories, Boom Racing offers a comprehensive ecosystem for scale RC builders and drivers.
Designed by enthusiasts for enthusiasts, Boom Racing products are trusted by hobbyists around the world who appreciate attention to detail, innovative features, and a commitment to advancing the scale RC experience.









