20×10 / 21×13 Forged Monoblock Wheels for 2025 Chevrolet Corvette Z06 (C8) – Brushed Silver Face with Lathe-Cut Polished Lip, Staggered 5×120

Engineering Notes

XINGTU's engineers want to highlight three details that define this build.

Forged Monoblock Design with a Sculpted Lip

The Corvette C8 Z06 forged wheels feature a five-spoke design with broad, sculpted surfaces that divide into shallow V-shaped sections near the rim. The spoke contours flow into a stepped outer lip, creating a distinct separation between the wheel face and its polished edge.

Unlike multi-piece wheel assemblies, the center, spokes, outer lip and barrel form a continuous forged aluminum structure. Precision CNC machining shapes the stepped lip and spoke transitions directly into the monoblock body, achieving the deep-dish appearance without separate rim components or assembly bolts.

Each finished wheel weighs 16.7 kg and carries a rated load capacity of 750 kg.

Brushed Silver Face & Lathe-Cut Polished Lip

The wheel combines a brushed silver face with a lathe-cut polished outer lip, giving the aluminum surfaces two distinct finishes within the same forged structure.

Fine directional brushing follows the spoke surfaces and their V-shaped ends, while the outer lip receives a separate turning operation that creates a clean, reflective edge. The contrast emphasizes the stepped profile and adds definition to the broad five-spoke design without relying on additional colors or decorative components.

Careful surface preparation, precise lathe cutting and protective sealing preserve the distinction between the brushed and polished areas. Consistent finishing across the spoke transitions and lip edge remains an important part of the completed wheel's appearance.

Staggered Fitment for the Corvette C8 Z06

Produced for a 2025 Chevrolet Corvette Z06 (C8), the wheel set features a 20×10 front configuration with an ET+25 offset and a 21×13 rear configuration with an ET+20 offset. Both wheels use a 5×120 bolt pattern, 66.9 mm center bore and 15×32×60° taper-seat specification.

The staggered dimensions retain the front and rear diameter relationship of the C8 Z06, while the offset configuration positions the wheels farther outward than commonly published factory specifications. The wide rear barrel and stepped lip give the completed set its distinctive proportions.

These production dimensions describe the featured project. Actual compatibility depends on the vehicle's hub, brake package, suspension geometry, tire dimensions and available fender clearance.

From Design to Delivery

• Front 20×10 and rear 21×13 wheel dimensions inspected
• ET+25 front and ET+20 rear offsets verified
• 5×120 PCD and 66.9 mm center bore checked
• 15×32×60° taper-seat profile inspected
• Finished wheel weight confirmed at 16.7 kg
• Radial and lateral runout checked
• Five-spoke contours and V-shaped spoke ends inspected
• Stepped lip geometry and lathe-cut edges checked
• Brushed silver grain consistency inspected
• Polished lip finish and edge sealing checked
• Dynamic balancing completed for every wheel
• Final finish confirmed against the approved sample

Result

The finished Corvette Z06 wheel set combines broad five-spoke geometry with a stepped, polished outer lip that becomes more pronounced on the wider 21-inch rear wheel. Shallow V-shaped spoke ends add definition to the brushed silver face, while the contrasting polished edge emphasizes the wheel's depth.

Both sizes retain the same forged monoblock design, creating a coordinated appearance across the staggered configuration. The completed wheels reflect the project's specified dimensions and surface treatment, with the brushed face and lathe-cut lip forming the defining features of the final design.

Building a C8 Z06 on custom forged wheels?

XINGTU can develop staggered specifications around your car's hub data, brake package, suspension setup and tire choice, including deep-dish monoblock layouts with brushed, polished or two-stage finishes.

MOQ 1 set, DDP worldwide. Send your vehicle details, brake configuration and target stance for a free fitment check.

Front & Rear Wheel Specifications

The finished wheels feature a 20×10 ET+25 front configuration and a 21×13 ET+20 rear configuration, with a shared 5×120 bolt pattern, 66.9 mm center bore and 15×32×60° taper seat. These dimensions represent the production specifications of the featured 2025 Corvette C8 Z06 project.

Vehicle Fitment & Clearance

The offsets position the wheels farther outward than commonly published factory Z06 configurations. Clearance around the brake calipers, suspension, fenders and inner liners requires particular attention, especially with the 13-inch-wide rear wheel. Verify the mounting hardware and intended tire sizes against the actual vehicle before installation.

Brushed & Lathe-Cut Surface Finishing

The forged aluminum face receives a directional brushed finish, while a separate lathe-cutting operation creates the polished outer lip. The stepped transition defines the two surface treatments within a continuous monoblock structure. Protective sealing helps preserve the exposed aluminum finish.

1. Are These Forged Wheels Compatible with Every Corvette C8 Z06?

The featured wheels follow a specific 2025 Corvette C8 Z06 configuration. Their custom offsets differ from commonly published factory specifications, and fitment requires verification of hub dimensions, brake clearance, mounting hardware, suspension geometry and tire sizes.

2. What Are the Wheel Construction, Weight and Load Rating?

Each wheel uses forged monoblock construction, with the center, spokes, lip and barrel integrated into a single aluminum structure. The recorded finished weight is 16.7 kg per wheel, with a rated load capacity of 750 kg.

3. Is the Polished Lip a Separate Component?

No. The stepped lip forms part of the forged monoblock body. CNC machining creates its profile, and a separate lathe-cutting operation produces the polished aluminum edge.

4. How Does the Custom Offset Affect Wheel Fitment?

The front wheels use ET+25, while the rear wheels use ET+20. These offsets place the wheels farther outward than commonly published factory Z06 configurations. Tire and body clearances should be checked carefully, particularly around the wide rear wheels.

5. What Type of Mounting Hardware Do These Wheels Require?

The wheels feature a 15×32×60° taper-seat specification. Installation hardware must match the wheel seat and the vehicle's mounting requirements. Confirm thread dimensions and fastener compatibility before installation.

6. How Long Does Production Take for This Wheel Set?

The recorded production lead time is 45 days. The process includes forged monoblock machining, brushed surface finishing, lathe-cut lip detailing, protective sealing, dimensional inspection and dynamic balancing. Shipping time and additional revisions are separate from this schedule.