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Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788); exact bearing sizes and quantities vary by RC model.

RCScrewZ Metal Shielded Bearing Kit kyo141b for Kyosho Inferno MP9 TKI3 1/8 Nitro GP 4WD Off-Road Competition Buggy (31788) | RCX

RCScrewZ

SKU: kyo141b

Regular price
$53.67
Sale price
$53.67
Regular price
$59.95
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Quick snapshot of availability, estimated delivery, and our shipping/returns.

Available Quantity: 100

Free shipping on all U.S. orders (USPS Priority Mail).
Ships within 1–2 business days (Mon–Fri); some Saturday shipments by 12:00 PM ET.
Most orders ship from Canton, MI 48187. APO/FPO/DPO & PO Boxes welcome.
Priority Mail typically delivers in 2–3 business days (estimates; not guaranteed).
Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.

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This page shows the Metal-Shielded Bearing Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:

Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788) — Find Compatible Stainless Screw & Bearing Kits

Pro tip: Most builders grab a Stainless Screw Kit and a Bearing Kit for this RC model so everything wears evenly.

Quick Fit Summary
  • Compatible Brand: Kyosho
  • RC Model: Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788)
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Chassis: Kyosho Inferno MP9 TKI3 Buggy Chassis (31788)
  • Era: Contemporary Era (2010-2019)
  • OEM / Models: 31788
Quick Fit Summary — Full Details

Quick Fit Summary

Key fit details for your RC model, plus what’s in this kit.

RC Model Fit & Specs

  • Compatible Brand: Kyosho
  • Fit: Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788)
  • Compatible RC Model Numbers: 31788
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Vehicle Type: 1/8 Nitro GP 4WD Competition Buggy
  • Chassis: Kyosho Inferno MP9 TKI3 Buggy Chassis (31788)
  • Era: Contemporary Era (2010-2019)
  • RC Model Terrain: Off-Road: Dirt, Clay & Buggy Tracks

This Kit Details

  • SKU: kyo141b
  • MPN: kyo141b
  • Product: Track Racing Bearing Upgrade Kit
  • Bearing Type: Metal-Shielded (On-Road)
  • Sealed Bearings: No
  • Water/Dust Protection: Low-drag, not sealed
  • Product Material: Carbon Chrome Bearings
  • Product Color: Silver
  • Bearing Sizes Included: 5x10x4mm bearings · 5x11x4mm bearings · 6x10x3mm bearings · 8x16x5mm bearings
  • Tips: Seat fully · Do not over-tighten · After cleaning: add light oil
  • Install: ≈60 min; recheck torque after first run
  • Country of Origin: United States
Full Product Description

Exact RC Model Fitment

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

Compatible RC Model
Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788)
Compatible RC Brand
Kyosho
RC Vehicle OEM / Model Number(s)
31788
RCScrewZ Kit Part Number
kyo141b

Vehicle Compatibility Details

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

RC Vehicle OEM / Model Number(s)
31788
RC Chassis Compatibility
Kyosho Inferno MP9 TKI3 Buggy Chassis (31788)
Compatible Vehicle Type
1/8 Nitro GP 4WD Competition Buggy
Terrain Compatibility
Compatible Scale
1:8
Compatible Fuel Type
Nitro & Glow Fuel

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

  • 5x10x4mm bearings
  • 5x11x4mm bearings
  • 6x10x3mm bearings
  • 8x16x5mm bearings

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:

Quick Fit Summary:

  • Compatible Brand: Kyosho

  • Fit: Model-specific fitment for Kyosho Inferno MP9 TKI3 1/8 Nitro GP 4WD Competition Buggy.

  • Compatible RC Model/OEM Numbers: 31788

  • Scale: 1/8

  • Power Source / Fuel Type: Nitro GP

  • Battery / Cell Count: Not applicable

  • Drive Type: 4WD

  • Vehicle Type: 1/8 Nitro GP 4WD Competition Buggy

  • Chassis: Kyosho Inferno MP9 TKI3 Buggy Chassis (31788)

  • Era: Contemporary Era (2010-2019)

  • OEM / Models: 31788

  • RC Model Terrain: Off-Road: Dirt, Clay & Buggy Tracks

This Kit Details:

  • SKU: kyo141b

  • MPN: kyo141b

  • Kit Type: Metal Shielded Bearing Kit

  • Bearing Type: Metal-Shielded Bearings (On-Road / Low-Drag)

  • Sealed Bearings: No

  • Water/Dust Protection: Low-drag, not sealed

  • Product Material: Carbon Chrome Steel Bearings

  • Product Color: Silver

OEM / Model Code / Alias Coverage:

  • Verified OEM / Model Codes: 31788

  • Model Family Coverage: Kyosho Inferno MP9 TKI3

Bearing Size Details:

  • 5x10x4mm bearings
  • 5x11x4mm bearings
  • 6x10x3mm bearings
  • 8x16x5mm bearings

Product Benefits:

  • Metal shielded bearings are selected for low-drag performance and smooth drivetrain feel on cleaner running surfaces.
  • Best for clean on-road, prepared track, display, or light-duty use where reduced rolling resistance is preferred.

Fitment Note:

  • This is a model-specific RCScrewZ kit for Kyosho Inferno MP9 TKI3; confirm your RC model number matches 31788 before ordering.
  • Metal shielded bearings are not sealed against heavy dirt, mud, water, or debris.

Search-Friendly Notes:

  • Common buyer searches include Kyosho Inferno MP9 TKI3, 31788, screw kit, metal shielded bearings, rubber shielded bearings, and RC rebuild parts.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
kyo141b
Product Brand
RCScrewZ
Shielding Type
Metal-Shielded (On-Road)
Sealed Bearing Status
No
Bearing Material
Carbon Chrome Bearings
Approximate Piece Count
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.

Fits: Kyosho Inferno MP9 TKI3 1/8 Nitro 4WD Buggy (31788)
$53.67
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