The HKS Hipermax S full kit is a height-adjustable coilover system for the S13 chassis, with 30-step damping adjustment front and rear. It ships with 7.0 kgf/mm (69 N/mm) front and 5.0 kgf/mm (49 N/mm) rear main springs plus helper springs at both ends, an inverted front strut and a conventional rear damper. Front upper mounts are spherical pillow ball bearings, while the rear uses rubber mounts. HKS rates the drivable ride height range at 18 to 81 mm below stock up front and 0 to 85 mm below stock at the rear.
Specifications
| Type |
Height-adjustable coilover full kit (HKS Hipermax S) |
| Position |
Front and rear |
| Damping Adjustment |
30 steps front / 30 steps rear |
| Spring Rate |
Front 7.0 kgf/mm (69 N/mm), Rear 5.0 kgf/mm (49 N/mm) |
| Helper Springs |
Front 41.4 N/mm, Rear 19.8 N/mm |
| Upper Mounts |
Front pillow ball (spherical bearing), Rear rubber |
| Front Damper |
Inverted |
| Ride Height Range |
Front -18 to -81 mm, Rear 0 to -85 mm vs. stock |
| Part Number |
80330-AN026P |
This part fits:
| Year |
Make |
Model |
Submodel |
| 1988 |
Nissan |
Silvia |
S13 |
| 1989 |
Nissan |
Silvia |
S13 |
| 1990 |
Nissan |
Silvia |
S13 |
| 1991 |
Nissan |
Silvia |
S13 |
| 1992 |
Nissan |
Silvia |
S13 |
| 1993 |
Nissan |
Silvia |
S13 |
| 1989 |
Nissan |
180SX |
S13 |
| 1990 |
Nissan |
180SX |
S13 |
| 1991 |
Nissan |
180SX |
S13 |
| 1992 |
Nissan |
180SX |
S13 |
| 1993 |
Nissan |
180SX |
S13 |
| 1994 |
Nissan |
180SX |
S13 |
| 1995 |
Nissan |
180SX |
S13 |
| 1996 |
Nissan |
180SX |
S13 |
| 1997 |
Nissan |
180SX |
S13 |
| 1998 |
Nissan |
180SX |
S13 |