Circuit Sports Aluminum Subframe Spacers Kit. These subframe ridge collars are constructed of durable billet aluminum and are anodized red. The unique C shape of these collars allow for extremely simple installation without completely removing and dropping the heavy rear subframe. Installing these collars helps eliminate wheel hop, which is a common issue when stock subrame bushings become worn and compliant. Vehicle Applications
| Year | Make | Model | Trim | App Notes |
| 1989 - 1998 | Nissan | 180SX | All | None |
| 1989 - 2002 | Nissan | 200SX (Non-US) | All | None |
| 1989 - 1998 | Nissan | 240SX | All | None |
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