STILLEN Nissan 370Z [Z34] / Infiniti FX35, G37, Q40, Q50, Q60 Standard Pulley Belt Set - 400338B

The STILLEN Standard Pulley Belt Set (400338B) is engineered for vehicles running either STILLEN standard crank pulleys (400338) or factory OEM pulleys. This belt set provides the correct length and tension required to maintain proper accessory operation, reliability, and long-term performance.

Designed as a direct-fit solution for both rear-wheel-drive and all-wheel-drive applications, this set ensures that your VQ-powered engine runs smoothly with correct accessory drive ratios. It prevents belt slip, improper tension, and premature wear, making it an ideal replacement when installing STILLEN standard pulleys or refreshing a worn factory belt.

Whether upgrading with a STILLEN standard pulley or maintaining OEM components, this belt set ensures that your accessories operate properly while maximizing drivetrain efficiency.

Fitment:

• Nissan 370Z [Z34]
• Infiniti FX35
• Infiniti G37
• Infiniti Q40
• Infiniti Q50
• Infiniti Q60
• Fits RWD & AWD models
• Compatible with STILLEN standard crank pulley 400338 or OEM pulley

Key Features:

• Standard pulley belt set
• Compatible with STILLEN or OEM pulleys
• Ensures proper accessory operation
• Maintains factory accessory drive ratios
• Direct-fit solution for RWD and AWD models

Installation Notes:

• For use with STILLEN standard crank pulley 400338 or OEM pulleys
• Not compatible with underdrive pulley applications

Technical Details:

• Application: Standard crank pulley systems
• Compatible Pulley Part Numbers: 400338 or OEM pulleys
• Part Number: 400338B
• Manufacturer: STILLEN

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