Corrosion resistance
Rust-resistant Stainless Steel
Key features and intended use for this kit.
Rust-resistant Stainless Steel
A2-70/A4-80 Stainless
Model-specific maintenance & rebuilds
Model-specific stainless hardware for maintaining, repairing, and rebuilding this RC vehicle.
Fits: Kyosho Optima Pro 1/10 Electric 4WD Buggy (30620)
OEM / model: 30620, KYO30620
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
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Compatible RC Model:
Kyosho Optima Pro 1/10 Electric 4WD Buggy (30620)
Compatible RC Brand:
Kyosho
RC Vehicle OEM / Model Number(s):
30620, KYO30620
RCScrewZ Kit Part Number:
kyo226
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 Optima Pro Vintage Series.
Compatible RC Model/OEM Numbers: 30620, KYO30620
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 4WD
Vehicle Type: Racing Buggy
Chassis: Optima Pro Vintage Series
Era: Next Gen Era (2020–Present)
OEM / Models: 30620, KYO30620
RC Model Terrain: Off-Road: Dirt & Racing Tracks
This Kit Details:
SKU: kyo226
MPN: kyo226
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 OEM/model codes for this Kyosho family: 30620, KYO30620.
Model Family Coverage:
Optima, Optima Pro, Vintage Series
Product Benefits:
A2-70/A4-80 stainless steel hardware helps improve corrosion resistance and long-term service durability.
Model-specific stainless hardware supports cleaner rebuilds, maintenance, and race-prep projects.
Useful for restoration, rebuild, and long-term maintenance of classic or Vintage Series Kyosho platforms.
Installation tip: use proper hex drivers, start threads carefully, and do not overtighten into plastic, composite, graphite, or aluminum parts.
Fitment Note:
Confirm your Kyosho model number before ordering. This kit is intended only for the listed model family and approved OEM/model codes.
Search-Friendly Notes:
Compatible with Kyosho Optima Pro Vintage Series RC screw kit and bearing kit searches, including Optima Pro Vintage replacement hardware and maintenance parts.
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.