ARRMA
ARRMA builds tough bash and race trucks from 1/16 to 1/5 scale, but stock plastic has predictable failure points. We carry GPM aluminum, 3D printed protection, and carbon fiber upgrades for the full ARRMA lineup, shipped from Wisconsin.
- GORGON GROM
- KRATON (1/5th Scale)
- KRATON (1/8th Scale)
- MINI KRATON (1/16th Scale)
- MOJAVE
- NOTORIOUS
- OUTCAST
- TALION
- TYPHON
- QUAKE GROM
- Product
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Shock Absorber Shaft Core Kit (Front) - Compatible w/ Kraton 8S
GPM
$28.90Function & UsageFront shock shaft core upgrade set for the front dampers, designed to increase shaft strength and durability while remaining compatible with the stock shocks (and GPM shocks where applicable). Upgrade AdvantagesBuilt from high-quality...$28.90 -
Diff Outdrive Set (2) - Compatible w/ Kraton & Outcast 8S
GPM
$19.90Function & UsageDifferential outdrives for the Arrma 8S platform, used in the front, center, or rear differential to transfer power from the diff to the drivetrain while maintaining smooth, consistent drive under load. Upgrade AdvantagesUpgraded 4140...$19.90 -
Rear Shock Mount - Compatible w/ Kraton & Outcast 8S
GPM
MSRP: $44.90$40.40Function & UsageRear shock mount designed to stabilize and fine-tune rear suspension by changing damper angle, allowing you to tailor rear-end support, squat, and landing control for different terrain and driving styles. Upgrade AdvantagesConstructed...MSRP: $44.90$40.40 -
Front Shock Mount - Compatible w/ Kraton & Outcast 8S
GPM
MSRP: $44.90$40.40Function & UsageFront shock mount designed to stabilize and fine-tune shock positioning by changing the damper angle for different handling needs and driving conditions. Upgrade AdvantagesBuilt from lightweight 6061-T6 aluminum for improved...MSRP: $44.90$40.40 -
Servo Horn w/ Built-in Horn - Compatible w/ Kraton & Outcast 8S
GPM
$28.90Function & UsageUpgraded servo horn/servo saver assembly for the servo area that improves steering response while using a built-in spring to absorb impacts and help protect the steering gears during crashes and hard hits. Upgrade...$28.90 -
Diff Case Gasket - Compatible w/ Kraton & Outcast 8S
GPM
$2.49Function & UsageDifferential sealing rings that install inside the diff case to maintain a proper seal between the case halves, helping prevent diff fluid leaks and keeping your diff oil weight consistent over time. Upgrade AdvantagesMade from...$2.49 -
Rear Lower Suspension Mounts - Compatible w/ Kraton & Outcast 8S
GPM
$25.90Function & UsageRear gearbox-area lower suspension mounts designed to lock in hinge-pin alignment and stabilize the rear lower arms, reducing rear-end slop for more consistent tracking under acceleration, braking, and hard landings. Upgrade...$25.90 -
Front Lower Suspension Mounts - Compatible w/ Kraton & Outcast 8S
GPM
$25.90Function & UsageFront gearbox-area suspension mounts designed to stabilize the front lower arms by tightening hinge-pin support and reducing unwanted arm movement during steering, braking, and hard landings. Upgrade AdvantagesMachined from...$25.90 -
Rear Chassis Skid Plate (5mm) - Compatible w/ Arrma Notorious & Outcast 6S
GPM
$16.90Function & UsageChassis skid plate brace designed to reinforce the lower chassis area, improving impact resistance and structural integrity during extreme bashing and hard landings. Upgrade AdvantagesMachined from 5 mm thick 7075-T6 aluminum alloy to...$16.90 -
Center Brace Bar - Compatible w/ Notorious 6S V6
GPM
$26.90Function & UsageCenter chassis brace set designed to connect and support the front and rear chassis sections, improving overall rigidity and maintaining chassis alignment under heavy load. Upgrade AdvantagesMachined from high-strength 7075 aluminum...$26.90 -
Out of stock
Front/Rear Complete Diff (Set of 2) - ( No Diffs Oil ) - Compatible w/ Arrma 1/8
GPM
$98.90Function & Usage Fully assembled front or rear differential designed to manage power distribution and traction while maintaining smooth drivetrain operation under high-load 6S and 8S conditions. Upgrade Advantages Constructed using a hybrid of...$98.90 -
Front/Rear Complete Diff - ( No Diffs Oil ) - Compatible w/ Arrma 1/8
GPM
$59.90Function & Usage Fully assembled front or rear differential designed to manage power distribution and traction while maintaining smooth drivetrain operation under high-load 6S and 8S conditions. Upgrade Advantages Constructed using a hybrid of...$59.90