




⚙️ Upgrade your ride’s backbone — heavy-duty suspension that means business!
The Suncore 40F-30-HD is a heavy-duty rear air-to-coil spring conversion kit designed for Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, and Marauder models. It includes two coil springs and four rubber isolators, offering a durable, commercial-grade suspension upgrade with a one-year manufacturer’s warranty.






| Manufacturer | SUNCORE |
| Brand | Suncore |
| Item Weight | 30 pounds |
| Product Dimensions | 7.38 x 13.5 x 18 inches |
| Item model number | 40F-30-HD |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 40F-30-HD |
| OEM Part Number | 3U2Z5580BA, 3U2Z5580PA, 6W1Z5560AA |
| Position | Rear |
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