HKS 80330-AN008 Hipermax S Coilover Kit 1989-1994 Nissan Skyline GT-R BNR32

Vehicle Fitment

• 1989-1994 Nissan Skyline GT-R (BNR32; RB26DETT Twin Turbo 2.6L I6; AWD) - Full Kit (Front & Rear)

Fitment Notes

• Production date range: August 1989 (89/08) through December 1994 (94/12) - covers the full BNR32 production run
• Designed for the AWD (ATTESA E-TS) BNR32 GT-R platform; does not apply to non-GT-R R32 Skyline variants
• This item ships via UPS or FedEx only - standard ground freight is not available
• Sold as a complete front and rear coilover kit (4 corners)

Features

• Single-tube (monotube) damper construction separates gas and oil chambers for stable, consistent damping under sustained cornering and braking loads
• HKS Flat Ride Concept (FRC) tuning absorbs low-speed harshness while keeping the BNR32 planted and controlled under hard driving
• 30-step damping adjustment via Wide Range (WR) Needle - tunable from street comfort to circuit performance without disassembly
• Dual Preload Valve System (Dual PVS) reduces unnecessary high-speed damping force for improved ride quality without sacrificing sport response
• Length-adjustable shock body allows ride height reduction without spring preload, preserving full suspension travel
• DURA BOOTS - upgraded dust boots with enhanced resistance to heat, weathering, and ozone
• Advanced Bump Rubber Plus provides progressive, early engagement to prevent harsh bottom-out
• PNE corrosion coating on threaded surfaces for long-term durability
• Manufactured in Japan to HKS specifications; 3-year / 60,000 km warranty coverage

Specifications

• HKS Part Number: 80330-AN008 (supersedes 80300-AN008)
• Compatible Vehicle: Nissan Skyline GT-R (BNR32)
• Compatible Engine: RB26DETT (2.6L Twin Turbo Inline-6)
• Spring Rate - Front: 98 N/mm (10.0 kgf/mm)
• Spring Rate - Rear: 78 N/mm (8.0 kgf/mm)
• Free Length - Front: 200 mm (Straight)
• Free Length - Rear: 220 mm (Straight Barrel Type)
• Spring Rate Change at Factory - Front/Rear: Possible (±20 N/mm / ±2 kgf/mm)
• Damping Force (Front) at 0.1 m/sec - Extension/Compression: 1,515 N / 456 N
• Damping Force (Rear) at 0.1 m/sec - Extension/Compression: 652 N / 348 N
• Damping Force Adjustment: 30 steps (Front & Rear)
• Upper Mount - Front: Rubber
• Upper Mount - Rear: Rubber
• Ride Height at Shipment - Front: -39 mm (range: 0 to -68 mm)
• Ride Height at Shipment - Rear: -15 mm (range: 0 to -63 mm)
• Country of Origin: Japan
• Warranty: 3 Years / 60,000 km

Included Components

• 2x Front HKS Hipermax S Coilover Assemblies with Rubber Upper Mounts (Left & Right)
• 2x Rear HKS Hipermax S Coilover Assemblies with Rubber Upper Mounts (Left & Right)
• Hardware and adjustment tools as supplied by HKS

Product Description

The HKS 80330-AN008 Hipermax S is a complete front and rear coilover kit purpose-built for the 1989-1994 Nissan Skyline GT-R (BNR32) equipped with the RB26DETT 2.6L twin turbo inline-six. Built on HKS's single-tube monotube damper platform with Flat Ride Concept (FRC) and Dual Preload Valve System (Dual PVS) tuning, this kit is engineered to extract genuine handling performance from the BNR32's ATTESA E-TS AWD chassis while maintaining the compliance needed for real-world street use. Front spring rates of 98 N/mm and rear rates of 78 N/mm balance the BNR32's weight distribution under hard braking, cornering, and acceleration, with factory spring rate change available in ±20 N/mm increments for those who want to tune further. Ride height at shipment is set to -39 mm front and -15 mm rear, with a front adjustment range of up to -68 mm and rear of up to -63 mm from stock ride height.

The 30-step WR Needle damping adjustment provides wide-ranging front and rear tuning without disassembly, and the length-adjustable shock body allows lowering without preloading the spring. DURA BOOTS and Advanced Bump Rubber Plus extend service life across environmental conditions, while PNE coating on all threaded surfaces provides corrosion protection well beyond standard galvanizing. This kit supersedes part number 80300-AN008, ships via UPS or FedEx only, and is backed by HKS's 3-year / 60,000 km manufacturer warranty.