BC Racing BR Series Coilovers for the 1979-1985 Mazda RX-7 (SA/FB) are BC Racing”s entry-level coilover and the most popular kit in their entire lineup, they offer the most accessible entry into adjustable coilover suspension without sacrificing performance, comfort, build quality, or handling. Every kit is extensively tested on the RX-7 chassis and refined until it balances ride quality with performance, the reason RX-7 coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide.
Every BR Series kit is built around a mono-tube damper with simultaneous compression and rebound adjustment at every corner, a wide damping range without the complexity of a race-only setup. Ride height is fully adjustable independent of spring preload, so you set the stance and the ride separately. The off-the-shelf setup from BC Racing is deliberately balanced, spring rates and valving chosen so the kit feels comfortable day-to-day without giving up performance when you push it. Drivers who want a different recipe can spec Swift Springs, spring rates, or fully valving at checkout; BC will tune the dampers to match, which is a depth of ization most brands only offer on their top-tier kits.
BC Racing has been manufacturing adjustable coilovers since 2004 and is one of the most popular coilover brands in the automotive tuning industry for a reason: competitive pricing, deep ization, proven reliability, and a fully rebuildable damper design that lasts years instead of seasons. These RX-7 coilovers arrive tuned for the RX-7 chassis and ready to install, note that this is a weld-in kit and requires professional fabrication. Every kit ships with a 2-year manufacturer warranty, lifetime access to BC service parts (pistons, seals, shafts, no unit replacement required when it”s time for a rebuild), and in-house tech support from both BC Racing and the Springrates team.
Features
Specifications
| Part Number | N-38-BR |
| Part Name | BR Series Coilovers |
| Vehicle | 1979-1985 Mazda RX-7 |
| Drivetrain | RWD |
| Chassis Code | SA/FB |
| Damping Adjustment | 1-Way (30 levels) |
| Ride-Height Adjustable | Yes |
| Spring Rate – Front | 5 kg/mm |
| Spring Rate – Rear | 3.5 kg/mm |
| Spring Size – Front | 62-150-5K |
| Spring Size – Rear | 104-95-200-3.5K-V |
| Swift Springs – Front | 62-152-X |
| Swift Springs – Rear | Not Applicable |
| Top Mounts – Front | Camber Plates |
| Top Mounts – Rear | Reuses OEM Mounts |
| Rear Damping Extenders | Not Compatible |
| Suspension Design – Front | True Coilover |
| Suspension Design – Rear | Divorced |
| Notes |
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