Product Details
These RS-R Black-i coilovers fit the 2013-2015 Lexus GS350 RWD (GRL10).
RS-R Black-i coilovers for the GRL10 GS350 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
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 | XBKT170M |
| Part Name | RS-R Black-i Coilovers |
| Vehicle | 2013-2015 Lexus GS350 |
| Chassis Code | GRL10 |
| Drivetrain | RWD |
| Damping Adjustment | 36-Level Single-Knob |
| Ride-Height Adjustable | Yes |
| Damper Construction | Monotube |
| Preset Approximate Height - Front | -65mm (-2.5inch) |
| Preset Approximate Height - Rear | -80mm (-3.1inch) |
| Maximum Adjustment Range - Front | -45mm to -200mm (-1.7inch to -7.8inch) |
| Maximum Adjustment Range - Rear | -60mm to -145mm (-2.3inch to -5.7inch) |
| Recommended Adjustment Range - Front | -60mm to -80mm (-2.3inch to -3.1inch) |
| Recommended Adjustment Range - Rear | -70mm to -105mm (-2.7inch to -4.1inch) |
| Spring Rate - Front | 18.00 Kg/mm |
| Spring Rate - Rear | 10.00 Kg/mm |
| 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 | - |