West Coast Accessories Wheel Adapter
West Coast Accessories 15-42-8170-8170 Wheel Adapter 8x170 to 8x170 125mm Hubcentric Spacer
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West Coast Accessories Billet Wheel Adapters: Engineered for a Secure Fit
When you need to run wheels with a different bolt pattern than your vehicle's hubs, a quality wheel adapter is the solution — and West Coast Accessories has built a dedicated reputation for getting that connection right. Part of the broader wheel hardware ecosystem West Coast Wheel Accessories has developed over the years, their wheel adapters are a go-to choice for enthusiasts, off-roaders, and daily drivers alike who want to mount the wheels they prefer without compromising safety or fitment.
What Sets West Coast Accessories Wheel Adapters Apart
The foundation of West Coast Accessories' wheel adapter lineup is billet aluminum construction. Machined from high-grade billet aluminum stock, these adapters deliver a combination of strength and light weight that cast alternatives simply can't match. At 1.25 inches thick, they provide a predictable, consistent offset change while keeping the wheel-to-hub stack as compact as practical.
One of the most practical features of the West Coast Accessories adapter is that each unit ships with everything needed for installation. The billet aluminum adapters include wheel studs and lug nuts, so there's no scrambling for hardware once you're in the garage. Each adapter is sold individually, giving builders and tuners the flexibility to purchase exactly the quantity needed for their specific application.
Wide Bolt Pattern Coverage
West Coast Accessories offers their billet wheel adapters across a remarkably broad range of bolt pattern configurations, covering popular 5-lug and 6-lug fitments as well as heavy-duty 8-lug applications. Available hub-to-wheel configurations include combinations such as 5x4.5 to 5x5, 5x4.75 to 5x5.5, 5x5.5 to 5x4.5, and many more. On the 8-lug side, patterns like 8x6.5, 8x170mm, 8x180mm, and beyond are represented — making these adapters relevant for everything from classic muscle cars and vintage trucks to modern SUVs and light-duty work vehicles.
- 5-lug patterns: 5x4.5, 5x4.75, 5x5, 5x5.5, 5x114.3mm, 5x120.65mm, 5x127mm, 5x139.7mm
- 6-lug patterns: 6x5.5, 6x135mm, 6x139.7mm
- 8-lug patterns: 8x6.5, 8x165.1mm, 8x170mm, 8x180mm, 8x200mm, 8x210mm
Installation Confidence and Best Practices
West Coast Accessories designs their adapters so that the entire hardware package is in the box from the start — no sourcing separate studs or hunting for compatible lug nuts. As with any wheel adapter installation, it's important to adhere to factory torque specifications during fitment and to recheck torque after the first 50 miles of driving to ensure everything remains properly seated.
Whether you're swapping bolt patterns on a custom build, fitting aftermarket wheels to a truck or SUV, or simply making use of a prized set of wheels that don't match your current hub pattern, West Coast Accessories' billet wheel adapters offer a proven, hardware-complete solution. Browse the full wheel adapter category to find your pattern, or visit the West Coast Accessories brand page to explore their complete wheel hardware lineup including lug nut kits, wheel spacers, hub rings, and TPMS sensors.