Cusco 188 61N CN Street Zero A Coilover Kit 40-Way Adjustable

The Cusco Street Zero A coilover suspension kit is engineered for enthusiasts seeking exceptional street performance with precise adjustability. This complete suspension system features advanced twin-tube shock absorbers designed specifically for street driving while maintaining competition-level performance capabilities.

Key Features:

• 40-stage damping force adjustment front and rear for precise ride tuning
• Full-length coaxial ride height adjustment for maximum flexibility
• Non-adjustable heavy-duty rubber upper mounts for enhanced durability
• Twin-tube shock absorbers with quiet operation for street use
• High-strength steel mounting brackets with threaded body design
• Preload adjustment capability with lock nuts and lower seats
• Stainless steel construction for superior corrosion resistance
• CPRV (Pressure Control Valve) technology for consistent damping

Technical Specifications:

• Front spring rate: 12 kgf/mm (optional 11, 14 kgf/mm available)
• Rear spring rate: 8 kgf/mm (optional 9, 10 kgf/mm available)
• Recommended height adjustment: -30mm to 0mm front and rear
• Maximum height adjustment: -75mm front / -118mm rear
• Damping adjustment: 40 stages front and rear
• Upper mount: Non-adjustable HD rubber (front and rear)

This Street Zero A kit represents Cusco's top-tier street suspension offering, replacing the Zero-2 series with enhanced reliability and performance. The tool-free knurled adjustment dials allow easy damping changes without disassembly, while the wide adjustment range accommodates everything from comfortable daily driving to spirited backroad runs. Each component is precision-engineered to deliver consistent performance and long-lasting durability.