![BBS Forged Line RF Wheel (18x9 5-120 +47) in Diamond Silver [RF521DS]](https://diamondusedparts.com/wp-content/uploads/2026/01/bbs-forged-line-rf-wheel-18x9-5-120-47-in-diamond-silver-rf521ds.jpg)
Available on backorder
Available on backorder
BBS forged wheels start as a billet of 6000-series aluminum or a specialized magnesium alloy, undergoing a proprietary multi-stage die-forging process with pressures reaching up to 18 million pounds. Each production stage is carefully refined to produce some of the industry’s highest-quality forged wheels. Designed for both lightweight performance and durability, BBS wheels optimize the stiffness-to-weight ratio while maintaining the safety and long-term reliability that define the brand. (sold as a single wheel)
| pa_not_carb_approved | false |
|---|---|
| carb_acknowledgement_required | false |
| pa_ltl_freight_required | false |
| pa_prop_65 | Unknown |
| pa_epa | N/A |
| pa_brand | BBS |
| pa_part_number | RF521DS |
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