Why Choose This Kit

Key features and intended use for this kit.

Shield type

Metal Shielded Bearing Kit

Performance focus

Low-drag, not sealed

Best suited for

Cleaner on-road / prepared surfaces

Metal-Shielded Bearings

RCScrewZ Metal Shielded Bearing Kit ser113b for Serpent Viper 990E Evo 1/8 Electric 4WD On-Road Race Car (#904007) | SET

RCScrewZSKU: ser113b

Model-specific metal-shielded bearings for smooth, low-drag operation on cleaner on-road or prepared surfaces.

Fits: Serpent Viper 990E Evo 1/8 Electric 4WD Race Car (904007)
OEM / model: SER904007, 904007

US
Regular price
$53.67
Sale price
$53.67
Regular price
$59.95

In stock

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Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.

Exact model check

Confirm This Fits Your RC

Match the RC model and OEM/model number below before ordering.

RC model
Serpent Viper 990E Evo 1/8 Electric 4WD Race Car (904007)
OEM / model number
SER904007, 904007
Kit type
Metal-Shielded Bearing Kit — Low-Drag for Cleaner Running
Scale
1:8
Power
Electric
View all verified kits for this model →
More compatibility details
RC brand
Serpent
Terrain
On-road
Vehicle class
Land
Kit SKU
ser113b
Model series
Viper 990E EVO, Viper 990E, 990E EVO
Product information

Everything You Need Before Ordering

Review what is included, installation notes, shipping details, and complete kit information.

Kit Contents & Installation

What’s Included Model-specific bearing kit; review the listed sizes and quantities.
  • Model-specific bearing kit
  • Quantities and any spare bearings are included only when specifically confirmed in the product details.
  • Review the product-specific bearing sizes and styles below or in the full description.
Installation & Model NotesImportant instructions and model-specific guidance.

Seat bearings fully and squarely. Do not force them into the housing or overtighten the hardware that retains them.

Keep metal-shielded bearings clean and dry.

After cleaning and drying, apply a small amount of light bearing oil.

Details & Support

Kit Details Lower-drag metal shields for clean, dry running conditions.
Shield Type
Metal-Shielded Bearings
Performance Priority
Lower drag
Protection
Not sealed; best kept clean and dry
Best For
Cleaner on-road or prepared surfaces when lower drag is the priority
Not Ideal For
Dust, dirt, sand, mud, water, or frequent wet-condition use
Prefer Rubber-Sealed?
Choose Rubber-Sealed bearings when protection against dirt, dust, and debris matters more than the lowest possible drag.
Shipping & Returns Handling time, current delivery estimate, and return policy.
Free shipping on qualifying orders of $29 or more to the contiguous 48 states and Washington, DC; USPS Priority Mail to Alaska and Hawaii costs $5 total per order.
Standard handling: 1–2 business days, Monday–Friday.
See Shipping Policy for current destination eligibility.
Carrier delivery time is additional; estimates are not guaranteed.
Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.

Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay

Full Product Description Read the complete product specifications and details.

Exact RC Model Fitment

Confirm the exact RC model and RC vehicle OEM/model number below before ordering.

Compatible RC Model
Serpent Viper 990E Evo 1/8 Electric 4WD Race Car (904007)
Compatible RC Brand
Serpent
RC Vehicle OEM / Model Number(s)
SER904007, 904007
RCScrewZ Kit Part Number
ser113b

Vehicle Compatibility Details

Review these vehicle details to help confirm compatibility with your RC model.

RC Vehicle OEM / Model Number(s)
SER904007, 904007
RC Chassis Compatibility
Not currently verified.
Compatible Vehicle Type
1/8 Electric 4WD On-Road Race Car
Terrain Compatibility
On-road
Compatible Scale
1:8
Compatible Fuel Type
Electric

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

    Not currently verified.

What Is Not Included

Only the bearings identified in the included-bearing-size list are part of this kit. 

The RC vehicle and separately sold parts are not included unless specifically listed.

Installation & Model Notes

Metal Shielded Bearing Kit Compatibility: Serpent Viper 990E Evo (904007)

Quick Fit Summary: 1/8 Electric 4WD On-Road Race Car

  • Compatible Brand: Serpent
  • Compatible RC Model/OEM Numbers: 904007
  • Scale: 1/8
  • Power Source / Fuel Type: Electric
  • Drive Type: 4WD
  • Vehicle Type: On-Road Race Car
  • RC Model Terrain: On-road
  • Chassis: Not currently verified.
  • Battery Chemistry: Not currently verified.
  • Battery / Cell Count: Not currently verified.
  • Production Era: Next Gen Era (2020–Present)
  • Release / Reference Date: 2025-02-12 official 904007 ready-for-shipping announcement; not an exact first-release claim.

This Kit Details: ser113b — Metal Shielded Bearing Kit

Product Material: Carbon Chrome Steel

Bearing sizes: Not currently verified.

Other bearing sizes, quantities and spare quantities: Not currently verified.

OEM / Model Code / Alias Coverage: 904007; official retail/model-code aliases: SER904007.

Model Family Coverage: Serpent Viper 990E Evo (904007). Fitment is limited to this exact model and OEM.

Product Benefits:

  • Metal shields and reduced rolling drag support smooth drivetrain operation.
  • Best suited to clean, dry, low-debris on-road or race conditions.

Reason to Purchase: Choose metal shields when low drag in clean, dry conditions is the priority.

Fitment Note: Confirm the exact model and OEM before ordering. Do not assume fitment to other versions, related chassis, conversions or similarly named vehicles.

Installation: Follow the RC manufacturer’s assembly and maintenance instructions. Confirm each fastener or bearing location before replacement.

Search-Friendly Notes: Serpent Viper 990E Evo 1/8 Electric 4WD On-Road Race Car; Metal Shielded Bearing Kit; RCScrewZ ser113b; OEM 904007.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
ser113b
Product Brand
RCScrewZ
Shielding Type
Metal Shielded Bearing Kit
Sealed Bearing Status
No
Bearing Material
Carbon Chrome Steel
Approximate Piece Count
Not currently verified.
Color
Silver

Before Ordering

  • Confirm your exact RC model, RC brand, and OEM/model number whenever possible.
  • Review the included-bearing-size list before purchase.
  • Read the installation and model notes before disassembly or installation.

Vehicle versions, chassis revisions, and model-year configurations can differ. 

Confirm fitment before purchase when your RC vehicle differs from the details shown above.

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Fits: Serpent Viper 990E Evo 1/8 Electric 4WD Race Car (904007)
$53.67