HKS 80330-AN005 Hipermax S Coilover Suspension Full Kit

The HKS Hipermax S 80330-AN005 is a complete coilover suspension full kit engineered for the Nissan Skyline ER34. Born from over nine years of continued development beyond the MAX IV GT platform, the Hipermax S series represents the most advanced street-focused coilover HKS has ever produced — combining superior ride comfort with responsive handling performance.

The Hipermax S employs a single-tube (monotube) construction, separating the gas and oil chambers to allow the use of a larger diameter piston. The result is a quality, stable damping force across all driving conditions. This kit is a direct evolution of the MAX IV GT series, incorporating all three of its predecessor's characteristics while introducing next-generation technologies.

Key Features:

• Dual PVS (Preload Valve System): An evolved dual preload valve system suppresses unnecessary damping force generation at higher piston speeds, delivering a significant improvement in ride comfort without sacrificing driving performance
• Wide-Range Damping Force Adjustment: An improved Needle Jet design expands the range of damping force adjustment, making it possible to tune for a wider variety of driving stages and conditions
• Redesigned Bump Stop Rubber: A new bump stop rubber geometry reduces body roll and achieves ride comfort simultaneously — an improvement over traditional hydro bump stop rubber designs
• Low Friction Technology: Advanced tribology engineering delivers higher durability and lower internal friction than conventional coilovers, contributing to improved ride quality and handling precision
• Adjustable Ride Height: Height-adjustable lower brackets allow ride height to be tuned to suit your application
• 3-Year Warranty: Backed by a three-year warranty — three times the coverage of the previous MAX IV GT series — thanks to optimized internal components and enhanced quality control

The HKS Hipermax S series sets a new benchmark for street performance coilovers, delivering an uncompromising balance of daily-driving comfort and precision handling capability.