Corrosion resistance
Rust-resistant stainless steel
Key features and intended use for this kit.
Rust-resistant stainless steel
A2-70/A4-80 Stainless Steel
Model-specific maintenance & rebuilds
Model-specific stainless hardware for maintaining, repairing, and rebuilding this RC vehicle.
Fits: Kyosho Mega Force 1/10 Nitro 4WD Monster Truck (31181)
OEM / model: 31181
In stock
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Match the RC model and OEM/model number below before ordering.
Review what is included, installation notes, shipping details, and complete kit information.
Kit Contents & Installation
Start threads by hand and seat screws fully to help prevent cross-threading.
Use blue threadlocker only on metal-to-metal threads; do not apply threadlocker to plastic.
After the first runs, inspect the hardware and retorque lightly as needed.
Details & Support
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
Compatible RC Model:
Kyosho Mega Force 1/10 Nitro 4WD Monster Truck (31181)
Compatible RC Brand:
Kyosho
RC Vehicle OEM / Model Number(s):
31181
RCScrewZ Kit Part Number:
kyo049
This model-specific stainless screw kit includes hardware for the verified RC chassis. Exact sizes, quantities, and screw styles vary by model.
This kit does not include items that require a different fitment, material, or hardware design:
Stainless Steel Screw Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Kyosho
Fit: Model-specific fitment for Kyosho Mega Force.
Compatible RC Model/OEM Numbers: Kyosho Mega Force (31181)
Scale: 1/10
Power Source / Fuel Type: Nitro
Battery / Cell Count: Not applicable - nitro powered.
Drive Type: 4WD
Vehicle Type: 1/10 Nitro 4WD Monster Truck
Chassis: Kyosho Mega Force shaft-driven 4WD monster truck chassis (31181)
Era: Modern Transition (2000-2009)
OEM / Models: 31181
RC Model Terrain: Off-Road: Dirt, Grass & Monster Truck Terrain
This Kit Details:
SKU: kyo049
MPN: kyo049
Kit Type: Stainless Steel Screw Kit
Screw Kit Piece Count: Not currently verified.
Product Material: A2-70/A4-80 stainless steel hardware
Product Color: Silver
OEM / Model Code / Alias Coverage:
Compatible with Kyosho OEM/model number(s) 31181. Use the OEM/model number in your manual, box, or chassis paperwork to confirm fitment before ordering.
Model Family Coverage:
Mega Force, Mad Force
Product Benefits:
A2-70/A4-80 stainless steel hardware helps resist corrosion and supports durable long-term maintenance.
Model-specific screw kit for restoration, rebuild, and service work on this Kyosho platform.
Installation tip: use proper hex drivers, start threads carefully, and do not overtighten into plastic, aluminum, graphite, or composite parts.
Fitment Note:
This is a model-specific RCScrewZ kit for Kyosho Mega Force. Match your Kyosho OEM/model number or model series to 31181 before ordering.
Search-Friendly Notes:
Common buyer searches include Kyosho Mega Force parts, Kyosho Kyosho Mega Force screw kit, Kyosho Kyosho Mega Force bearings, and Kyosho RC replacement hardware.
Confirm your exact RC model, chassis configuration, and vehicle OEM/model number where applicable before ordering.
Do not assume fitment for custom conversions, mixed-chassis builds, modified vehicles, or unverified model variations.
Contact J-M SUPPLIES RC Parts Store before ordering when your vehicle does not match the compatibility details shown above.
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These kits are verified for the same exact RC model and OEM/model number.