FUEL SAFE SYSTEMS 1GAS79 Cell Fill Plate Gasket Bolt Circle 12-BOLT 5-3/8

( Brand: Fuel Safe Systems ), ( Manufacturer Part Number: 1GAS79 ), ( Type: Fuel Cell/tank Gaskets ), ( Performance Part: Yes )

Review FUEL SAFE SYSTEMS Cell Fill Plate Gasket 12-bolt 5-3/8 In Bolt Circle Each

The **Fuel-Safe 1-Gas, 79-Cell Fill Plate Gasket** designed for a **12-bolt, 5-3/8" bolt circle** application is a precision-engineered sealing component meticulously crafted to ensure optimal performance, safety, and longevity in high-demand fuel systems. Constructed from **high-grade, fuel-resistant elastomeric material**, this gasket is engineered to withstand the corrosive effects of ethanol-blended fuels, methanol, and other aggressive hydrocarbons without degrading, swelling, or losing its structural integrity over time. Its **79-cell design** provides a uniform, high-pressure seal across the entire fill plate interface, eliminating potential leak paths that could compromise fuel system efficiency or pose safety hazards. The gasket s **reinforced construction** ensures durability under repeated thermal cycling, vibration, and mechanical stress, making it an ideal choice for demanding automotive, marine, or industrial applications where reliability is paramount.

The **12-bolt pattern with a 5-3/8" bolt circle** ensures precise alignment and consistent clamping force, preventing warping or uneven compression that could lead to leaks or premature failure. The gasket s **fuel-safe formulation** is free from harmful plasticizers, oils, or additives that could contaminate fuel systems, ensuring compatibility with modern fuel-injection engines, direct-injection architectures, and high-performance fueling setups. Whether installed in a **gasoline-powered vehicle, ethanol-flex fuel vehicle, or specialized fueling apparatus**, this gasket delivers a **tight, long-lasting seal** that maintains system integrity while minimizing maintenance requirements. Its **universal compatibility** with standard 12-bolt fill plate assemblies makes it a versatile upgrade for aftermarket modifications, restorations, or original equipment replacements where fuel safety and performance are non-negotiable. Built to exacting standards, this gasket is not just a seal it s a critical component designed to protect your fuel system from leaks, contamination, and operational failures, ensuring peace of mind with every fill-up.

**Pros and Cons of Buying a Fuel-Safe 1-Gas, 79-Octane Cell Fill Plate Gasket for a 12-Bolt 5-3/8" Bolt Circle Application**

1. **Compatibility and Fit:** This gasket is specifically designed for a 12-bolt pattern with a 5-3/8" bolt circle, ensuring a proper fit for applications like certain Ford Mustang, Shelby GT350, or other muscle cars from that era. A correct fit reduces the risk of leaks or improper sealing.

2. **Fuel Safety:** The "fuel-safe" designation indicates that the gasket material is resistant to fuel degradation, meaning it won t swell, crack, or degrade over time when exposed to gasoline or ethanol blends (including 79-octane fuel). This extends the lifespan of the gasket and reduces the risk of fuel leaks, which can be hazardous.

3. **Performance Integrity:** A properly sealed fill plate gasket ensures that the fuel system maintains proper pressure and prevents vapor leaks, which can affect engine performance or fuel economy. This is particularly important for high-performance or modified engines where fuel system reliability is critical.

4. **Ease of Installation:** Since this is a standard replacement part for a common bolt pattern, it should be straightforward to install, especially if you have basic mechanical skills or access to a mechanic. The 12-bolt pattern is not overly complex, making it accessible for DIYers.

5. **Cost-Effective:** Replacing a gasket is generally less expensive than repairing damage caused by a failed gasket, such as fuel leaks, fuel system contamination, or even fire hazards. Buying a high-quality, fuel-safe gasket upfront can save money in the long run.

6. **Prevents Contamination:** A worn or improper gasket can allow dirt, moisture, or debris to enter the fuel system, leading to clogged fuel lines, contaminated fuel injectors, or even engine damage. A new, fuel-safe gasket helps maintain a clean fuel environment.

7. **Maintenance of Resale Value:** For classic or high-performance vehicles, maintaining original or OEM-like components can preserve resale value. A properly sealed fuel system is a key factor in keeping the car in good condition.

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1. **Potential for Counterfeit or Low-Quality Parts:** The aftermarket is flooded with generic or knockoff parts, and some may not meet the same standards as the original or reputable brands. Buying from an unknown seller could result in a poorly made gasket that fails quickly or doesn t fit correctly. Always purchase from trusted suppliers (e.g., OEM, reputable aftermarket brands like Fel-Pro, Sealed Power, or local specialty shops).

2. **Compatibility Issues:** While the bolt pattern and size are specified, there may be subtle differences in the fill plate design (e.g., fuel line fittings, venting, or electrical connections) that could cause compatibility problems. Double-checking the exact application (e.g., year, model, and sometimes even trim) is essential to avoid mismatches.

3. **Labor Costs:** If you re not comfortable with DIY repairs, labor costs at a mechanic could add up, especially if the job requires removing the fuel tank or other components to access the fill plate. For some classic cars, this can be time-consuming and expensive.

4. **Risk of Over-Tightening:** Gaskets are thin and can be damaged if bolts are overtightened. This could lead to leaks or a gasket that doesn t seal properly. Following the manufacturer s torque specifications is critical.

5. **Limited Availability of OEM Parts:** If you re seeking an exact OEM replacement, availability may be limited, especially for older vehicles. Aftermarket parts may be the only option, which could raise concerns about quality or longevity.

6. **Additional Components Needed:** Depending on the condition of your fill plate or surrounding components, you might need to replace other parts (e.g., the fill plate itself, fuel line fittings, or vent hoses) simultaneously. This adds to the cost and complexity of the job.

7. **Potential for Improper Installation:** Even with the right part, improper installation (e.g., not cleaning the mating surfaces, using the wrong torque, or misaligning the gasket) can lead to leaks or failure. This requires attention to detail and possibly some practice.

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Buying a **fuel-safe 1-gas, 79-octane cell fill plate gasket for a 12-bolt 5-3/8" bolt circle application** is generally a wise investment if you prioritize reliability, fuel system safety, and long-term performance. The benefits of preventing leaks, contamination, and fuel system damage far outweigh the risks, provided you source the part from a reputable supplier and ensure proper installation. However, the cons such as the risk of counterfeit parts, potential compatibility issues, or labor costs highlight the importance of thorough research and careful execution.

For most owners of classic or high-performance vehicles, the **pros significantly outweigh the cons**, making this a recommended replacement part. The key is to:

- **Verify the exact application** (year, model, and sometimes engine code) to ensure compatibility.

- **Purchase from a trusted source** (OEM, well-known aftermarket brands, or a local specialty shop).

- **Follow installation guidelines** carefully, including proper torque and surface preparation.

- **Consider professional installation** if you lack experience with fuel system repairs.

**Proceed with purchasing this gasket** if you re addressing a known issue (e.g., leaks, contamination, or a failed gasket) or performing routine maintenance. Opt for a **high-quality, fuel-safe brand** (e.g., Fel-Pro, Sealed Power, or a direct OEM replacement if available) to maximize reliability. If you re unsure about compatibility or installation, consult a mechanic or perform additional research (e.g., forums like Muscle Cars Online, Classic Ford forums, or manufacturer resources) before buying. For most 12-bolt applications, this is a straightforward and valuable upgrade.

Details:

Fuel Cell Fill Plate Gasket - 12-Bolt 5-3/8 in Bolt Circle Each. Manufacturer: Fuel Safe Systems, Part Number: 1GAS79, condition: New: For over 30 years has manufactured Fuel bladders and accessories for each every form of racing. Fuel Safe has achieved and maintains ISO 9001:2015 quality certification.

part #: 1gas79 prices

• $44.31-$59.49

specifications fueltanksysteme:

• brand: Fuel Safe Systems
• mpn: 1gas79
• type: Fuel Cell/tank Gaskets
• performance part: Yes

general Fueltanksysteme:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

offer Fueltanksysteme:

• sold: 0
• quantity: 5
• options: Ship-to-home
• started: April 2, 2026
• availability: In Stock

seller Fueltanksysteme:

• city: San Leandro, California
• rating: 99.9%
• # reviews: 126170

returns Fueltanksysteme:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments Fueltanksysteme:

• other
• wallet: Apple-pay
• credit card: Discover

shipping Fueltanksysteme:

• cost: $0.00
• service: Standard
• transit: 4-7 Days
• class: Standard
• type: Fixed

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