Borne Off-Road BNWS-017-381BK 5x139.7 38mm Black Wheel Spacers

Vehicle Fitment

• Universal application for vehicles requiring a 5x139.7 (5x5.5") bolt pattern, 77.8 mm hub bore, 9/16"-18 wheel studs, and 38 mm (1.5 in.) wheel spacers.

Fitment Notes

• Universal wheel spacer kit; not assigned to specific year, make, or model applications by the manufacturer.
• Must match vehicle hub bore, bolt pattern, and stud thread size before installation.
• Requires proper wheel clearance verification to avoid tire-to-fender or suspension contact.
• Professional installation and torque verification are strongly recommended after initial use.

Features

• Forged 6061-T6 aluminum construction for high strength and durability
• Precision CNC-machined for accurate hub alignment and balance
• Hub-centric design reduces vibration and ensures proper wheel seating
• Black anodized finish for corrosion and wear resistance
• 38 mm (1.5 in.) spacer thickness improves stance and track width
• High-strength 9/16"-18 integrated wheel studs
• Improves clearance for larger tires and brake components where applicable
• Designed for off-road and on-road durability under load stress

Specifications

• Part Number: BNWS-017-381BK
• Bolt Pattern: 5x139.7 (5x5.5")
• Hub Bore: 77.8 mm
• Thickness: 38 mm (1.5 in.)
• Thread Size: 9/16"-18
• Material: Forged 6061-T6 Aluminum
• Finish: Black Anodized
• Position: Front or Rear

Included Components

• 2x Wheel Spacers
• 10x Lug Nuts
• Installation Hardware Kit

Product Description

The Borne Off-Road BNWS-017-381BK wheel spacer kit is designed to increase track width by 38 mm (1.5 inches) per wheel, improving stance, stability, and clearance for larger tires or upgraded brake systems. Each spacer is manufactured from forged 6061-T6 aluminum and CNC-machined to ensure precise fitment and long-term durability under demanding driving conditions.

Featuring a hub-centric design with a 5x139.7 bolt pattern, 77.8 mm center bore, and 9/16"-18 threaded studs, this kit is intended for vehicles matching these exact specifications. As a universal-fit component, proper compatibility verification of hub, wheel, and fastener specifications is required prior to installation to ensure safe operation.