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 RB6.6 1/10 Electric 2WD Buggy (34310B)
OEM / model: 34310B
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 RB6.6 1/10 Electric 2WD Buggy (34310B)
Compatible RC Brand:
Kyosho
RC Vehicle OEM / Model Number(s):
34310B
RCScrewZ Kit Part Number:
kyo178
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 RB6.6, OEM model 34310B.
Compatible RC Model/OEM Numbers: 34310B
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 2WD
Vehicle Type: Off-Road Competition Buggy
Chassis: Kyosho Ultima RB6.6 2WD Buggy Chassis (34310B)
Era: Contemporary Era (2010-2019)
OEM / Models: 34310B
RC Model Terrain: Off-Road: Dirt, Clay & Carpet Tracks
This Kit Details:
SKU: kyo178
MPN: kyo178
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: 34310B
Model Family Coverage: Ultima, Ultima RB6.6, RB6.6
Release / Reference Year: 2016 RB6.6 platform reference
Product Benefits:
Fitment Note: Confirm your Kyosho OEM/model number matches 34310B before ordering. This is a model-specific RCScrewZ kit, not a generic assortment.
Search-Friendly Notes: Compatible with Kyosho Ultima RB6.6 1/10 Electric 2WD Buggy (34310B) for Kyosho RC rebuilds, repairs, maintenance, and upgrades.
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.