ReadyLIFT Wheel Spacers - Chevy GMC 6-Lug (6 x 5.5 Inch Bolt Circle) (SPC6MM6139GM)

These ReadyLIFT 6mm wheel spacers are CNC-machined 6061-T6 billet aluminum and fit Chevy and GMC trucks with a 6 x 5.5 inch (139.7 mm) bolt circle. They add 6 mm of wheel offset, work with aluminum and steel wheels, and are both hub-centric and wheel-centric. ReadyLIFT positions them as a thin option for GM 1500 owners whose aftermarket wheels need to clear the brake caliper boss, and they can also help with tire-to-control-arm contact on some applications. Sold as a pair.

Key features

• CNC-machined 6061-T6 billet aluminum
• 6 mm (0.236 inch) thickness
• Hub-centric and wheel-centric
• Works with aluminum and steel wheels

What's included

• 1 pair of wheel spacers
• Lug nuts, lug bolts and wheel studs are not included

Fitment and compatibility

• 6 x 5.5 inch (139.7 mm) bolt circle, Chevy and GMC
• GM 1500 hub bore is 78.1 mm; the wheel center bore must be 106 mm
• Can be used on other vehicles with a 139.7 mm bolt pattern, but check your hub bore size before ordering
• ReadyLIFT's page is written for the GM 1500, 2019-2025; confirm your vehicle before ordering

Specifications

• Brand: ReadyLIFT
• Part number: SPC6MM6139GM
• Material: 6061-T6 billet aluminum, CNC machined
• Thickness: 6 mm (0.236 inch)
• Bolt circle: 6 x 5.5 inch (139.7 mm)
• Sold as a pair

Installation

ReadyLIFT does not list an install time. Read the instructions fully first; a certified mechanic is recommended. Alignment may be needed, check headlamp aim afterward, and ADAS may need checking.

Modifying your suspension can change how the vehicle handles (SAE J2492). Proposition 65: ReadyLIFT lists DEHP for this product.