The Hipermax S uses an upright monotube damper at both ends of the Z34 with 30 steps of damping force adjustment, shipped set to click 15 as a street baseline. HKS specifies 10.0 kgf/mm front and 9.0 kgf/mm rear springs, with a helper spring at the front, and full-length shock body adjustment covers stock ride height down to 43 mm lower at both ends. Reinforced rubber upper mounts front and rear preserve the factory noise and vibration behaviour that a pillow-ball kit gives up. Dual PVS valving, the WR Needle soft-range circuit, Advanced Bump Rubber and PNE corrosion-resistant plating are standard.
Specifications
| Type | Hipermax S Full Coilover Kit |
| Position | Front and Rear (Full Kit) |
| Damper Type | Upright monotube, front and rear |
| Damping Adjustment | 30 steps, front and rear; shipped at click 15 |
| Spring Rate | 10.0 kgf/mm front (98 N/mm), 9.0 kgf/mm rear (88 N/mm) |
| Ride Height Adjustment | Full-length adjustable; stock to 43 mm lower front and rear |
| Upper Mounts | Reinforced rubber, front and rear |
| Quantity | 1 kit (4 dampers, 4 springs) |
| Part Number | 80330-AN009 |
| Warranty | 3 Years / 60,000 km (HKS) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2021 | Nissan | 370Z / Fairlady Z (Z34) | VQ37VHR |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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