Product Details
These RS-R Black-i coilovers fit the 2008-2013 Infiniti G37 2DR.
RS-R Black-i coilovers for the Infiniti G37 are built for very low ride heights. Black-i has revised valving, extended lower-mount travel, and spring rates matched to the lowered range.
Black-i is RS-R’s purpose-built extreme-drop coilover. It is still 36-level adjustable and rebuildable.
Features
- Valving engineered for extreme ride-height drop
- Extended lower-mount travel
- 36-level single-knob damping adjustment
- Vehicle-specific spring rates for the lowered range
- Monotube, hand-assembled in Japan
- Rebuildable / serviceable dampers
- 1-Year / 12,000-mile RS-R warranty
Availability
This application is a special-order item from Japan. Lead time by standard sea freight is approximately 3-6 months. Expedited DHL/FedEx/UPS shipping from Japan is available for an upcharge when stock is on hand, contact us for current lead time.
What’s Included
- Full coilover set (front and rear)
- Hex and allen wrenches
- Upper rubber seat for rear
- Hex nut, bolt and washer for rear shock
- Waterproof rubber damper cover
- Spring tubes for front and rear
Specifications
| Part Number | XBKN121M |
| Part Name | RS-R Black-i Coilovers |
| Vehicle | 2008-2013 Infiniti G37 2DR |
| Damping Adjustment | 36-Level Single-Knob |
| Ride-Height Adjustable | Yes |
| Damper Construction | Monotube |
| Preset Approximate Height - Front | -30mm (-1.2inch) |
| Preset Approximate Height - Rear | -35mm (-1.4inch) |
| Maximum Adjustment Range - Front | -20mm to -155mm (+0.8inch to -6.1inch) |
| Maximum Adjustment Range - Rear | -30mm to -90mm (-1.2inch to -3.6inch) |
| Recommended Adjustment Range - Front | -25mm to -55mm (-1.0inch to -2.2inch) |
| Recommended Adjustment Range - Rear | -30mm to -45mm (-1.2inch to -1.8inch) |
| Upper Mount - Front | Rubber Bushings (OEM-style) |
| Upper Mount - Rear | Rubber Bushings (OEM-style) |
| Suspension Design - Front | True Coilover |
| Suspension Design - Rear | Divorced |
| Rebuildable | Yes |
| Warranty | 1 Year / 12,000 Miles |
| Notes | - |








