ARRMA 3x7.8x8mm Steel Ball Set 4pcs AR310450

The ARRMA 3x7.8x8mm steel ball set is a genuine replacement hardware pack for compatible ARRMA RC vehicles, helping restore smooth pivot movement and secure linkage operation during maintenance and repairs.

These high-quality steel balls are useful workshop spares for replacing worn, loose, corroded or damaged pivot balls where AR310450 or ARAC3039 is listed in the vehicle manual. Supplied in a 4-piece pack, they are ideal for keeping your ARRMA suspension and steering service parts ready to go.

Features

• Genuine ARRMA Replacement Part: Factory steel ball set for compatible ARRMA vehicles
• Super-Tough Steel Construction: Provides long-lasting durability and consistent operation in demanding RC use
• 3x7.8x8mm Size: Matches compatible original equipment pivot ball dimensions
• Precision Manufactured Fitment: Designed for smooth movement and secure installation in supported assemblies
• 4-Piece Pack: Includes four replacement steel balls for servicing multiple locations
• Useful RC Toolbox Spare: Ideal for replacing worn, loose or damaged balls during suspension and steering maintenance

Specifications

• Brand: ARRMA
• Part Number: AR310450
• Horizon Hobby Orderable Number: ARAC3039
• Barcode / EAN: 5052127007535
• Product Type: Steel ball set
• Material: Steel
• Size: 3 x 7.8 x 8mm
• Vehicle Compatibility: ARRMA vehicles where AR310450 or ARAC3039 is listed in the manual
• Common Listed Applications: Selected ARRMA 1/7 and 1/8 6S platforms, including Kraton, Outcast, Notorious, Talion, Typhon, Mojave, Infraction, Felony, Limitless and Fireteam vehicles where confirmed by the manual
• Quantity: 4 steel balls
• Intended Use: Replacement suspension, steering or linkage pivot hardware for compatible ARRMA RC vehicles

Includes

• 4 x ARRMA steel balls, 3 x 7.8 x 8mm

FAQ

What size are these ARRMA balls? These are 3 x 7.8 x 8mm steel balls.

How many balls are included? This pack includes four steel balls.

Are these genuine ARRMA parts? Yes. AR310450 is a genuine ARRMA replacement hardware pack.

Will these fit every ARRMA vehicle? No. OZRC recommends checking your ARRMA vehicle manual or exploded diagram to confirm AR310450 or ARAC3039 is listed for the location you are servicing.

When should these steel balls be replaced? Replace them if they are worn, corroded, flattened, loose in the joint or causing sloppy suspension or steering movement.

Important Notes

• Check your ARRMA vehicle manual to confirm AR310450 or ARAC3039 is the correct replacement part before ordering.
• This listing includes four steel balls only.
• Rod ends, ball cups, turnbuckles, screws, nuts, suspension arms and tools are not included unless listed separately.
• Inspect related ball cups, rod ends and linkage hardware during replacement, as worn mating parts can cause excess play even with new balls fitted.
• After installation, check suspension or steering movement by hand before driving.