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  3. MERCURY 1396-4655

MERCURY 1396-4655 Quicksilver Gasket Set Holley Barrel 2BBL

fits make: Mercury.

1396-4655 Mercury Quicksilver Gasket Set For Holley 2bbl 2 Barrel New

( Manufacturer Part Number: 1396-4655 ), ( Part Type: Gasket ), ( Country Of Origin: United States )

Review MERCURY Quicksilver Gasket Set Holley Barrel New

The **Mercury 1396-4655 Quicksilver Gasket Set for Holley 2-Barrel Barrel** is a precision-engineered assembly designed to deliver optimal sealing performance and reliability for high-performance Holley carburetors, particularly those featuring the iconic 2-barrel barrel design. Crafted from Mercury s proprietary **Quicksilver** material a blend of high-grade rubber and advanced elastomers this gasket set ensures a tight, consistent seal across critical interfaces, minimizing vacuum leaks, fuel sloshing, and air infiltration that can compromise throttle response and engine efficiency. Each component in the set, including the **base gasket, throttle body gasket, and vacuum port gasket**, is meticulously molded to match the exact contours of the Holley 2B barrel, reducing the risk of warping or misalignment under heat and pressure. The gasket material is engineered to withstand extreme temperatures, from the high-heat environments of forced induction applications to the demanding conditions of high-RPM drag racing, ensuring long-term durability without hardening or cracking. Whether installed in a classic muscle car, a modern street rod, or a high-performance street machine, this gasket set provides the confidence of a leak-free connection, allowing for smoother operation, improved throttle control, and better overall performance. Ideal for both restoration projects and high-mileage builds, the Quicksilver gasket set is a trusted choice for enthusiasts and professionals who demand nothing less than flawless functionality from their Holley carburetor.

The **Mercury 1396-4655 Quicksilver Gasket Set for Holley 2-Barrel (Barrel-Style)** is a popular aftermarket gasket kit designed to replace the factory seals and gaskets in a Holley 2-barrel carburetor. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Mercury 1396-4655 Quicksilver Gasket Set**

1. **High-Quality Materials** Mercury uses high-temperature, heat-resistant materials that are more durable than OEM gaskets, reducing the risk of leaks and warping under heat and vacuum.

2. **Improved Sealing** The Quicksilver gaskets are designed to provide a tighter seal than stock gaskets, which can help prevent vacuum leaks that may cause rough idle, hesitation, or stalling.

3. **Compatibility** This kit is specifically engineered for Holley 2-barrel carburetors with barrel-style bodies (common in older muscle cars and performance applications). It fits standard Holley 2B carburetors without modification.

4. **Easy Installation** The gaskets are pre-cut and designed for straightforward installation, reducing the risk of improper fitting that can occur with aftermarket gaskets that require trimming.

5. **Heat Resistance** The materials used in these gaskets can withstand higher operating temperatures better than OEM rubber gaskets, which can degrade over time, especially in high-performance applications.

6. **Reduced Carbon Buildup** Some high-quality gasket sets, including Mercury s, are formulated to minimize carbon deposits that can form on intake valves and ports, helping maintain better airflow.

7. **Widely Available and Trusted Brand** Mercury is a well-known manufacturer of carburetor and fuel system components, with a reputation for reliability. Their gasket sets are commonly recommended by tuners and mechanics.

8. **Cost-Effective for Performance** While slightly more expensive than OEM gaskets, the improved sealing and longevity often justify the cost, especially in performance applications where reliability is critical.

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### **Cons of the Mercury 1396-4655 Quicksilver Gasket Set**

1. **Higher Cost Than OEM** Mercury gaskets are more expensive than stock Holley gaskets, which may be a deterrent for budget-conscious buyers. However, the price difference is often justified by performance and durability.

2. **Potential for Over-Tightening** Some users report that these gaskets can be slightly thicker than OEM, which may require careful torque specification to avoid crushing the gasket or warping the carburetor base. Over-tightening can lead to leaks or damage to the carburetor body.

3. **Limited to Barrel-Style Holley 2B Carbs** This kit is **not** compatible with **spreader-style** Holley 2-barrel carburetors (e.g., the Holley 2100 series or later models). Buyers must verify their carburetor type before purchasing.

4. **Requires Cleaning and Preparation** Like any gasket replacement, the carburetor must be thoroughly cleaned, and the mating surfaces must be free of debris or old gasket material to ensure a proper seal. Neglecting this step can lead to leaks.

5. **Not a Universal Fit** While this kit is designed for most barrel-style Holley 2B carburetors, there may be slight variations in bolt patterns or gasket sizes depending on the carburetor s specific application (e.g., early vs. late model bodies). Always cross-reference with your carburetor s specifications.

6. **Potential for Voids or Defects** As with any aftermarket product, there is a small risk of receiving a defective gasket set (e.g., improperly vulcanized material or misaligned cuts). Purchasing from a reputable dealer or retailer can mitigate this risk.

7. **May Require Adjustment After Installation** Some users report that after installing new gaskets, minor adjustments to idle mixture or vacuum leaks may be necessary to optimize performance, especially if the carburetor was previously leaking.

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### **Conclusion**

The **Mercury 1396-4655 Quicksilver Gasket Set** is a high-quality, performance-oriented replacement for OEM Holley 2-barrel gaskets. Its strengths lie in its superior sealing, heat resistance, and ease of installation, making it an excellent choice for both street and mild performance applications. However, it is not a universal fit (only for barrel-style Holley 2B carburetors) and requires careful installation to avoid issues like over-tightening or leaks.

For most drivers looking to upgrade their Holley 2B carburetor with reliable, long-lasting gaskets, this kit is a strong recommendation. If budget is a concern, OEM gaskets may suffice for basic maintenance, but they are less durable and prone to failure under heat or vacuum.

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### **Recommendation**

**Buy the Mercury 1396-4655 Quicksilver Gasket Set if:**

- You have a **barrel-style Holley 2-barrel carburetor** (verify compatibility first).

- You want **better sealing, heat resistance, and longevity** compared to OEM gaskets.

- You are performing a **carburetor rebuild or upgrade** and want to ensure a clean, leak-free installation.

- You are running a **performance application** (e.g., forced induction, high-RPM engines) where reliability is critical.

**Avoid or Consider Alternatives if:**

- You have a **spreader-style Holley 2B carburetor** (e.g., 2100 series or later), as this kit will not fit.

- You are on a **tight budget** and are only doing basic maintenance (OEM gaskets may work for now, but they are less durable).

- You are unsure about **proper installation techniques** (over-tightening can damage the carburetor).

**Final Verdict:** For most Holley 2B barrel-style carburetor owners, the Mercury Quicksilver gasket set is the best choice for a reliable, long-term solution. Pair it with a thorough carburetor cleaning and proper torque specifications to maximize performance and longevity.

Details:

New Old Stock. Pictures are Part of. Mercury Quicksilver Gasket Set 1396-4755.

part #: 13964655 prices

  • $9.99-$25.00

specifications ouboaen:

  • for makes: Mercury
  • mpn: 1396-4655
  • part type: Gasket
  • country of origin: United States

shipping ouboaen:

  • cost: $7.25
  • carrier: USPS
  • transit: 4-8 Days
  • type: Fixed
  • service: USPS Ground Advantage
  • class: Standard

general ouboaen:

  • Boat Parts > Outboard Engines Components > Other
  • condition: New

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  • policy: No Returns

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  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: April 30, 2026
  • sold: 0

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  • city: Bradford, Rhode Island
for makes: mercury, part type: gasket, country of origin: united states,
category: boat parts > outboard engines components, sku: 23621594419456762,
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