Description
Product Overview
The Circuit Performance Hub Centric Ring is engineered to eliminate hub‑to‑wheel vibration and ensure a perfectly centered fit on compatible vehicles. Constructed from high‑grade aluminum, the ring offers a lightweight yet robust solution that resists corrosion and maintains dimensional stability under temperature fluctuations. With an outer diameter of 74.1 mm and an inner diameter of 72.56 mm, it is designed for wheels that feature a 74.1 mm center bore and vehicles whose hub bore measures 72.56 mm. Precision CNC machining guarantees tolerances within ±0.02 mm, delivering a seamless interface that reduces stress on wheel studs and improves overall driving comfort. The part carries the manufacturer part number CP-SET-HRN-ALU-74.1-72.56 and complies with Circuit Performance’s strict quality standards.
Usage
This hub centric ring is ideal for daily drivers, performance cars, and off‑road vehicles that require a secure wheel‑hub connection. Install the ring when mounting aftermarket wheels, replacing worn OEM rings, or upgrading to a lighter alloy wheel set. It excels in high‑performance scenarios such as track days, where reduced vibration translates to better handling feedback. The ring also benefits owners of classic cars that have been retrofitted with modern wheels, ensuring the original hub bore aligns perfectly with newer wheel dimensions. 
Why Choose Us
Circuit Performance is a trusted name in the automotive aftermarket, known for delivering precision‑engineered components that meet or exceed OEM specifications. Each hub centric ring undergoes a multi‑stage inspection process, including dimensional verification, surface finish assessment, and corrosion resistance testing. The use of aerospace‑grade aluminum not only reduces unsprung weight but also provides superior heat dissipation compared with steel alternatives. Our rings are 100 % authentic, backed by a limited warranty that covers manufacturing defects, giving you confidence in long‑term durability. Additionally, the ring’s design incorporates a beveled edge that eases wheel installation and removal, minimizing the risk of damage to the wheel’s mating surfaces.
Key Features
- Precision‑machined 74.1 mm OD × 72.56 mm ID for exact fit
- Lightweight aerospace‑grade aluminum construction reduces unsprung mass
- Corrosion‑resistant finish ensures longevity in harsh environments
- Beveled edge design simplifies wheel mounting and removal
- Authentic Circuit Performance part with rigorous quality control
FAQ
Will this ring fit my 2015 Subaru WRX?
If your WRX uses a 74.1 mm wheel center bore and a 72.56 mm hub bore, this ring is compatible. Verify your vehicle’s specifications before purchase.
Do I need any special tools to install the ring?
Installation requires a standard torque wrench and a clean work surface. The beveled edge allows hand‑tightening of the wheel before final torque is applied.
Can I use this ring with steel wheels?
Yes, the ring works with any wheel material as long as the wheel’s center bore matches the 74.1 mm outer dimension.
Is the aluminum prone to cracking under heavy loads?
The aluminum alloy used is specifically selected for high fatigue resistance. Under normal driving and performance conditions, cracking is highly unlikely.
What warranty does Circuit Performance offer?
The ring comes with a one‑year limited warranty covering manufacturing defects. Contact our support team with the part number for assistance.




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