Fragola Performance Systems #4 AN Bulkhead Nut — Black Anodized Aluminum

SKU: GBXR_492404-BL
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fragola Performance Systems

Fragola Performance Systems has been the American race-fitting standard since 1985 — AN fittings, braided hose, and adapters in nearly every imaginable size and finish. The choice of NHRA Pro Stock, NASCAR Cup, and championship pro-touring teams.

Watch in action

High-Strength Bulkhead Hardware

The Fragola Performance Systems #4 AN Bulkhead Nut is designed to provide a secure mounting point for your fluid transfer lines. Whether you are running fuel, oil, or nitrous lines through a bulkhead, this nut ensures your fittings remain locked in place. Constructed from high-quality aluminum, it offers the perfect balance of strength and weight reduction for competitive racing applications.

Key Features

  • Secure Fitment: Designed for #4 AN bulkhead fittings to provide a vibration-resistant seal.
  • Durable Finish: Finished in a sleek black anodized coating that resists corrosion and looks excellent in any engine bay.
  • Lightweight Design: Manufactured from premium aluminum to keep your vehicle's weight to a minimum.
  • Easy Installation: Features precision-cut threads for smooth installation and removal during maintenance.

Properly securing your bulkhead fittings is critical to the safety and reliability of your vehicle's plumbing system. Loose fittings can lead to leaks, pressure loss, and potential mechanical failure. By using Fragola bulkhead nuts, you ensure that your lines are held firmly against the mounting surface, protecting them from the stress of track use. This component is compatible with a wide range of AN plumbing setups, making it a must-have for any serious builder. For all your high-performance plumbing needs, rely on the expert selection found at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fragola Performance Systems

Fragola Performance Systems has been the American race-fitting standard since 1985 — AN fittings, braided hose, and adapters in nearly every imaginable size and finish. The choice of NHRA Pro Stock, NASCAR Cup, and championship pro-touring teams.

Watch in action

High-Strength Bulkhead Hardware

The Fragola Performance Systems #4 AN Bulkhead Nut is designed to provide a secure mounting point for your fluid transfer lines. Whether you are running fuel, oil, or nitrous lines through a bulkhead, this nut ensures your fittings remain locked in place. Constructed from high-quality aluminum, it offers the perfect balance of strength and weight reduction for competitive racing applications.

Key Features

  • Secure Fitment: Designed for #4 AN bulkhead fittings to provide a vibration-resistant seal.
  • Durable Finish: Finished in a sleek black anodized coating that resists corrosion and looks excellent in any engine bay.
  • Lightweight Design: Manufactured from premium aluminum to keep your vehicle's weight to a minimum.
  • Easy Installation: Features precision-cut threads for smooth installation and removal during maintenance.

Properly securing your bulkhead fittings is critical to the safety and reliability of your vehicle's plumbing system. Loose fittings can lead to leaks, pressure loss, and potential mechanical failure. By using Fragola bulkhead nuts, you ensure that your lines are held firmly against the mounting surface, protecting them from the stress of track use. This component is compatible with a wide range of AN plumbing setups, making it a must-have for any serious builder. For all your high-performance plumbing needs, rely on the expert selection found at GGCRACING.

Product Details

Product Description

About Fragola Performance Systems

Fragola Performance Systems has been the American race-fitting standard since 1985 — AN fittings, braided hose, and adapters in nearly every imaginable size and finish. The choice of NHRA Pro Stock, NASCAR Cup, and championship pro-touring teams.

Watch in action

High-Strength Bulkhead Hardware

The Fragola Performance Systems #4 AN Bulkhead Nut is designed to provide a secure mounting point for your fluid transfer lines. Whether you are running fuel, oil, or nitrous lines through a bulkhead, this nut ensures your fittings remain locked in place. Constructed from high-quality aluminum, it offers the perfect balance of strength and weight reduction for competitive racing applications.

Key Features

  • Secure Fitment: Designed for #4 AN bulkhead fittings to provide a vibration-resistant seal.
  • Durable Finish: Finished in a sleek black anodized coating that resists corrosion and looks excellent in any engine bay.
  • Lightweight Design: Manufactured from premium aluminum to keep your vehicle's weight to a minimum.
  • Easy Installation: Features precision-cut threads for smooth installation and removal during maintenance.

Properly securing your bulkhead fittings is critical to the safety and reliability of your vehicle's plumbing system. Loose fittings can lead to leaks, pressure loss, and potential mechanical failure. By using Fragola bulkhead nuts, you ensure that your lines are held firmly against the mounting surface, protecting them from the stress of track use. This component is compatible with a wide range of AN plumbing setups, making it a must-have for any serious builder. For all your high-performance plumbing needs, rely on the expert selection found at GGCRACING.

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