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 Turbo Optima Gold 1/10 Electric 4WD Buggy (30619)
OEM / model: 30619
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 Turbo Optima Gold 1/10 Electric 4WD Buggy (30619)
Compatible RC Brand:
Kyosho
RC Vehicle OEM / Model Number(s):
30619
RCScrewZ Kit Part Number:
kyo186
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 Turbo Optima Gold, OEM model 30619.
Compatible RC Model/OEM Numbers: 30619
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 4WD
Vehicle Type: Off-Road Racing Buggy
Chassis: Kyosho Turbo Optima Gold 4WD Buggy Chassis (30619)
Era: Next Gen Era (2020–Present)
OEM / Models: 30619
RC Model Terrain: Off-Road: Dirt, Clay & Vintage Tracks
This Kit Details:
SKU: kyo186
MPN: kyo186
Kit Type: Stainless Steel Screw Kit
Screw Kit Piece Count: 310+ Pieces
Product Material: A2-70/A4-80 stainless steel hardware
Product Color: Silver
OEM / Model Code / Alias Coverage: 30619
Model Family Coverage: Optima, Turbo Optima, Turbo Optima Gold, Legendary Series
Retail Availability Date: 2024 Reference
Product Benefits:
Fitment Note: Confirm your Kyosho OEM/model number matches 30619 before ordering. This is a model-specific RCScrewZ kit, not a generic assortment.
Search-Friendly Notes: Compatible with Kyosho Turbo Optima Gold 1/10 Electric 4WD Buggy (30619) 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.
Know another RC owner who could use this kit? Send them this exact product page.
These kits are verified for the same exact RC model and OEM/model number.