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: HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123)
OEM / model: 115123
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:
HPI Baja 5R 1970 Mustang Boss 302 1/5 Gas 2WD On-Road (115123)
Compatible RC Brand:
HPI Racing
RC Vehicle OEM / Model Number(s):
115123
RCScrewZ Kit Part Number:
hpi091
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:
Compatibility Title: HPI Racing Baja 5R 1970 Ford Mustang Boss 302 Stainless Steel Screw Kit Compatibility
Quick Fit Summary:
Compatible Brand: HPI Racing
Fit: Model-specific for the listed RC model/platform: Baja 5R 1970 Ford Mustang Boss 302
Compatible RC Model/OEM Numbers: 115123
Scale: 1/5 Scale
Power Source / Fuel Type: Gasoline
Battery / Cell Count: Not currently verified.
Drive Type: 2WD
Vehicle Type: On-Road Sedan / On-Road Car
Chassis: Not currently verified.
Era: Not currently verified.
OEM / Models: 115123
RC Model Terrain: On-Road
Terrain Compatibility: On-Road
Release / Catalog Date: Not currently verified.
OEM Alias Coverage: HPI Racing Baja 5R 1970 Ford Mustang Boss 302; OEM / Models: 115123
This Kit Details:
SKU: hpi091
MPN: hpi091
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
Product Benefits: Corrosion resistance, durability, RC repair/rebuild support, and model-specific fit for compatible HPI Racing vehicles.
Fitment Note: Start threads by hand, use proper hex tools, and avoid overtightening into plastic/composite 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.