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Representative image of an RCScrewZ stainless steel screw kit for Kyosho Big Boss / The Boss 1/10 Electric 2WD Truck (3108); exact kit contents vary by RC model.

Rustproof, Durable, Quality RCScrewZ Stainless Steel Screw Kit kyo191 for Kyosho Big Boss / The Boss 1/10 Electric 2WD Monster Truck (3108) | SET - Affordable Quality | Quick Ship - by J-M SUPPLIES

Socket, Button, Flat Head, Set Screws for RCScrewZ Stainless Steel Screw Kit kyo191 for Kyosho Big Boss / The Boss 1/10 Electric 2WD Monster Truck (3108) | RCX - by J-M SUPPLIES

Socket, Button, Flat Head, Set Screws for RCScrewZ Stainless Steel Screw Kit kyo191 for Kyosho The Boss #3108 RC Car | RCX - by J-M SUPPLIES

Socket, Button, Flat Head, Set Screws for RCScrewZ Stainless Steel Screw Kit kyo191 for Kyosho The Boss #3108 RC Car | SET - by J-M SUPPLIES

Elevate your RC adventure with Stainless Screw Kit For Kyosho - RCScrewZ | RC Car Upgrades - by J-M SUPPLIES

RCScrewZ Stainless Steel Screw Kit kyo191 for Kyosho Big Boss / The Boss 1/10 Electric 2WD Monster Truck (3108) | SET

Why Choose This Kit

Key features and intended use for this kit.

Corrosion resistance

Rust-resistant stainless steel

Verified material

A2-70/A4-80 Stainless Steel

Designed use

Model-specific maintenance & rebuilds

Stainless Screw Kit145+ Pieces

RCScrewZ Stainless Steel Screw Kit kyo191 for Kyosho Big Boss / The Boss 1/10 Electric 2WD Monster Truck (3108) | SET

Name: RCScrewZ Stainless Steel Screw Kit kyo191 for Kyosho Big Boss / The Boss 1/10 Electric 2WD Monster Truck (3108) | SET
Brand: RCScrewZ
SKU: kyo191
Price: 38.94 USD
Availability: InStock

(2)

RCScrewZSKU: kyo191

Model-specific stainless hardware for maintaining, repairing, and rebuilding this RC vehicle.

Fits: Kyosho Big Boss / The Boss 1/10 Electric 2WD Truck (3108)
OEM / model: 3108

Regular price: $38.94
Sale price: $38.94
Regular price: ~~$43.95~~
Unit price: per

In stock

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Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.

RC model: Kyosho Big Boss / The Boss 1/10 Electric 2WD Truck (3108)
OEM / model number: 3108

Kit type: Stainless Steel Screw Kit
Piece count: 145+ Pieces
Scale: 1:10
Power: Electric

View all verified kits for this model →

More compatibility details

RC brand: Kyosho
Vehicle class: Land
Kit SKU: kyo191
Model series: Big Boss, The Boss, Big Boss / The Boss

Product information

Everything You Need Before Ordering

Review what is included, installation notes, shipping details, and complete kit information.

Kit Contents & Installation

What’s IncludedSee the hardware, tools, and storage case supplied with this kit.

Socket Screws (with extras)
Button Screws (with extras)
Flat Head Screws (with extras)
Set Screws (with extras)
Nuts (with extras)
Washers (with extras)
Bondhus Short Arm Hex Wrenches (all sizes for your kit)
Plastic Pit Case (durable, reusable, and designed to organize and store the included hardware)

What’s Not IncludedReview which specialized hardware types are not included with this kit.

Barrel, shoulder, or collared screws
Screw pins or threaded pins
E-clips or body clips
Turnbuckles or hinge pins
Original-style wood, plastic, or coarse-thread screws are not included. Where your RC model uses a coarse-thread screw, this kit supplies a compatible machine-thread stainless steel replacement for that location.

Installation & Model NotesImportant instructions and model-specific guidance.

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

Kit Details Material, model-specific coverage, corrosion protection, and intended use.

Material: A2-70/A4-80 Stainless Steel
Kit Coverage: Model-specific stainless fasteners for maintenance, repairs, and rebuilds
Corrosion Protection: Rust-resistant stainless steel
Designed Use: Model-specific maintenance & rebuilds

Shipping & Returns Handling time, current delivery estimate, and return policy.

Free shipping on all U.S. orders (USPS Priority Mail).

Ships within 1–2 business days (Mon–Fri); some Saturday shipments by 12:00 PM ET.

Most orders ship from Canton, MI 48187. APO/FPO/DPO & PO Boxes welcome.

Priority Mail typically delivers in 2–3 business days (estimates; not guaranteed).

Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.

Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay

Full Product Description Read the complete product specifications and details.

Exact RC Model Fitment

Compatible RC Model:
Kyosho Big Boss / The Boss 1/10 Electric 2WD Truck (3108)

Compatible RC Brand:
Kyosho

RC Vehicle OEM / Model Number(s):
3108

RCScrewZ Kit Part Number:
kyo191

Vehicle Compatibility Details

RC Vehicle OEM / Model Number(s): 3108
RC Chassis Compatibility: Kyosho Big Boss / The Boss 2WD Truck Chassis (3108)
Compatible Vehicle Type: 1/10 Electric 2WD Monster Truck
Terrain Compatibility: Off-Road: Dirt, Grass & Vintage Truck Terrain
Compatible Scale: 1:10
Compatible Fuel Type: Electric

What Is Included

This model-specific stainless screw kit includes hardware for the verified RC chassis. Exact sizes, quantities, and screw styles vary by model.

Socket-head screws, with extras where applicable
Button-head screws, with extras where applicable
Flat-head or countersunk screws, with extras where applicable
Set screws, with extras where applicable
Matching nuts and washers, with extras where applicable
Bondhus short-arm hex wrenches for applicable kit sizes
Reusable plastic pit case for organized storage

Important: The exact hardware mix is determined by the verified chassis configuration. Not every kit requires every screw style listed above.

What Is Not Included

This kit does not include items that require a different fitment, material, or hardware design:

Barrel screws
Shoulder or collared screws
Screw pins or threaded pins
E-clips or body clips
Turnbuckles or hinge pins
Wood, plastic, or coarse-thread screws

Installation & Model Notes

Stainless Steel Screw Kit Compatibility:

Quick Fit Summary:

Compatible Brand: Kyosho
Fit: Model-specific fitment for Kyosho Big Boss / The Boss, OEM models 3108.
Compatible RC Model/OEM Numbers: 3108
Scale: 1/10
Power Source / Fuel Type: Electric
Battery / Cell Count: Not currently verified
Drive Type: 2WD
Vehicle Type: Monster Truck
Chassis: Kyosho Big Boss / The Boss 2WD Truck Chassis (3108)
Era: Early Classics (1980-1989)
OEM / Models: 3108
RC Model Terrain: Off-Road: Dirt, Grass & Vintage Truck Terrain

This Kit Details:

SKU: kyo191
MPN: kyo191
Kit Type: Stainless Steel Screw Kit
Screw Kit Piece Count: 145+ Pieces
Product Material: A2-70/A4-80 stainless steel hardware
Product Color: Silver

OEM / Model Code / Alias Coverage:

3108

Model Family Coverage:

Big Boss, The Boss, Big Boss / The Boss

Product Benefits:

Corrosion-resistant stainless hardware for durable long-term maintenance.
Model-specific screw kit selected for this Kyosho platform.
Useful for rebuilds, restorations, and clean hardware refresh work.

Special Kit Note: Wood/coarse-thread screws are not included; machine-thread replacements are used where applicable. Machined collared screws, screw pins/threaded pins, barrel pins, or suspension shafts are not included.

Fitment Note:

Confirm your Kyosho model number before ordering. This kit is configured for the listed Kyosho model family and OEM coverage.

Search-Friendly Notes:

Compatible with Kyosho Big Boss / The Boss RC parts searches, screw kit searches, and bearing kit fitment confirmation.