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 Ultima SC-R 1/10 Electric 2WD SCT (30850)
OEM / model: 30850
In stock
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
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 Ultima SC-R 1/10 Electric 2WD SCT (30850)
Compatible RC Brand:
Kyosho
RC Vehicle OEM / Model Number(s):
30850
RCScrewZ Kit Part Number:
kyo130
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 Ultima SC-R Kit 1/10 Electric 2WD Short Course Racing Truck.
Compatible RC Model/OEM Numbers: 30850
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 2WD
Vehicle Type: 1/10 Electric 2WD Short Course Truck
Chassis: Kyosho Ultima SC-R Short Course Chassis (30850)
Era: Not currently verified
OEM / Models: 30850
RC Model Terrain: Off-Road: Short Course, Dirt & Clay Terrain
This Kit Details:
SKU: kyo130
MPN: kyo130
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: 30850
Model Family Coverage: Ultima, Ultima SC-R, Short Course
Product Benefits:
Fitment Note: Match your Kyosho model number to 30850 before ordering. This kit is model-specific and should not be assumed to fit similar Kyosho platforms unless listed.
Search-Friendly Notes: Compatible Kyosho Kyosho Ultima SC-R 1/10 Electric 2WD Short Course Truck (30850); useful for RC rebuilds, maintenance, and model-specific upgrade searches.
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.