Description

The HKS HIGH-FLOW SURGE TANK SYSTEM provides a comprehensive range of fuel delivery solutions. It is specifically engineered to address the demanding requirements of high-performance Nissan GT-R R35 applications. By offering multiple configuration options—from basic surge tanks to complete kits with twin-injector capabilities—it ensures optimized fuel distribution.

Additionally, it offers surge prevention, and system scalability for power levels up to and exceeding 1,000 horsepower. By offering both pre-finished and unpainted versions alongside separate twin-injector kits, HKS accommodates diverse budget considerations. It also meets aesthetic preferences and performance requirements within a unified engineering philosophy focused on hydraulic efficiency and installation practicality.

Product Overview

HIGH-FLOW SURGE TANK FULL KIT (Unpainted Version)
Code No. 13008-AN003
Delivering identical performance to the purple version at a reduced cost, this unpainted kit offers customization potential. Owners preferring personalized color finishes can enjoy this feature while maintaining complete twin-injector capability.

HIGH-FLOW SURGE TANK (Unpainted Individual Unit)
Code No. 13008-AN004
The most economical entry point into HKS’s surge tank technology is this unpainted standalone unit. It provides core hydraulic benefits along with maximum customization potential. You have the option to add twin-injector capabilities separately.

Twin Injector PRO Kit (Separate Component)
Code No. 14007-AN004
Available separately for owners who initially purchase surge tanks individually. This kit enables the addition of staged injection capability to any HKS surge tank system. It provides flexibility for progressive build strategies.

Core Performance & Engineering Features

⚡ Advanced Hydraulic Design for Consistent Fuel Distribution
Utilizing a separate casting-type tank with specifically engineered internal geometry, all surge tank variants minimize cylinder-to-cylinder fuel distribution variations. This consistency is crucial for stable power delivery in high-performance applications. The funnel-shaped port design actively directs fuel from tank extremities toward distribution points. Thus, it creates superior flow efficiency compared to conventional surge tank designs.

🎯 GT1000SPEC-Compatible Architecture
Engineered with extreme power applications in mind, these surge tanks feature enlarged port diameters. They have optimized cylinder distribution patterns and flow characteristics capable of supporting 1,000+ horsepower requirements. The design prioritizes response and pickup improvement rather than merely increasing tank capacity, creating balanced performance across all operating conditions.

🔧 Factory Integration for Simplified Installation
Maintaining compatibility with factory mounting points, sensor locations, and connection interfaces significantly reduces installation complexity. The layout accommodates genuine components including air temperature sensors, blow-by pipes, and crossover piping. This is achieved without requiring custom fabrication or complex rerouting.

🔄 Scalable Configuration for Progressive Power Building
The modular product approach allows owners to begin with basic surge tank functionality. They can then expand to twin-injector capability as power levels increase. This scalability respects budget considerations. It also aligns with progressive build philosophies while ensuring all components work together seamlessly within the HKS performance ecosystem.

Technical & Application Differentiation

Visual & Finish Options:

• Premium Pre-Finished: Signature purple coating for immediate show-quality appearance

• Customizable Unpainted: Raw surface for personalized color matching and finishing

• Cost Optimization: Unpainted versions offer identical performance at reduced pricing

Configuration Flexibility:

• Complete Kits: Include both surge tank and twin-injector components for immediate high-performance capability

• Individual Units: Provide core hydraulic benefits with option to add twin-injector capability separately

• Component Separation: Allows for staggered investment and progressive system enhancement

Performance Consistency Across Variants:
Regardless of finish or configuration, all HKS surge tanks share identical internal geometry, flow characteristics, and performance capabilities. The product differentiation focuses on aesthetic presentation and component inclusion rather than hydraulic performance variation.

Strategic Application Considerations

🎯 Product Selection Guidance:

• Maximum Immediate Capability: HIGH-FLOW SURGE TANK FULL KIT (13008-AN001 or AN003) for complete twin-injector readiness

• Budget-Focused Entry: HIGH-FLOW SURGE TANK individual units (13008-AN002 or AN004) for core hydraulic benefits

• Customization Priority: Unpainted versions (AN003, AN004) for personalized color finishing

• Progressive Build Strategy: Start with individual surge tank, add Twin Injector PRO Kit (14007-AN004) as power increases

⚠️ Critical System Integration Requirements:

• Fuel Pump Upgrade: High-capacity fuel pump essential to supply surge tank adequately

• Professional Installation: Recommended for proper plumbing, sealing, and system integration

• Engine Management Calibration: Mandatory for optimal performance, especially with twin-injector configurations

• Fuel System Compatibility: Appropriate fuel lines, filters, and pressure regulation to complement surge tank capabilities

Performance Benefits & Technical Rationale

📊 Consistent Cylinder Fueling Enhances Power Potential
By minimizing distribution variations that commonly limit high-performance engines, these surge tanks ensure balanced combustion across all cylinders—enabling higher safe power limits and more consistent performance delivery.

🚀 Surge Elimination Supports Dynamic Driving Demands
The optimized tank geometry specifically addresses fuel movement during aggressive maneuvers. These movements include acceleration, cornering, and braking. They are critical for circuit racing, time attack, and spirited street driving. Fuel delivery consistency directly affects both performance and safety.

🔩 Modular Architecture Respects Diverse Builder Requirements
Through multiple product configurations and finish options, HKS accommodates different budget levels, aesthetic preferences, and build progression strategies while maintaining consistent engineering quality and performance standards.