JEGS PERFOMANCE PRODUCTS 15490 Phenolic Carburetor Spacer 4150 Holley Bolt 1/2 Tall 4-HOLE

( Brand: Jegs Perfomance Products ), ( Type: Spacer ), ( Items Included: Mounting Hardware ), ( Manufacturer Part Number: 15490 ), ( Material: Aluminum ), ( Universal Fitment: Yes ), ( Vintage Part: No )

Review JEGS PERFOMANCE PRODUCTS Phenolic Carburetor Spacer 4150 Holley Bolt Pattern 1/2 Inch Tall 4-hole

Introducing the Performance 15490 Phenolic Carburetor Spacer from Holley, a crucial component for enhancing your carburetor's performance. This spacer is specifically designed for use with 4150 series Holley carburetors. It boasts a 1/2 tall, 4-hole configuration, making it a versatile addition to various engine setups.

Manufactured from high-quality phenolic material, this spacer ensures excellent heat resistance and durability. Its 1/2 tall design provides ample clearance for larger intake manifolds, while the 4-hole configuration offers increased fuel delivery options. This spacer is an essential upgrade for those seeking to fine-tune their carbureted engine's performance.

The Performance 15490 Phenolic Carburetor Spacer from Holley is a direct replacement for the stock spacer, ensuring a seamless installation process. It is designed to work with Holley's 4150 series carburetors, offering a perfect fit and reliable operation. Whether you're building a hot rod, restoring a classic car, or simply looking to improve your daily driver's performance, this spacer is an excellent choice.

By upgrading to the Performance 15490 Phenolic Carburetor Spacer, you'll experience improved fuel delivery, enhanced engine response, and increased power. Pair it with other Holley performance parts for even better results. This spacer is a must-have for any enthusiast seeking to optimize their carbureted engine's performance.

In conclusion, the Performance 15490 Phenolic Carburetor Spacer from Holley is a valuable addition to any carbureted engine setup. Its high-quality construction, versatile design, and direct compatibility with 4150 series carburetors make it an essential upgrade for those looking to enhance their engine's performance.

A Holley 4150 carburetor is a popular choice for performance applications due to its ability to deliver large amounts of fuel for increased horsepower. One way to enhance the carburetor's performance is by using a phenolic carburetor spacer. Here are some pros and cons of buying a 15490 phenolic carburetor spacer for a 4150 Holley carburetor.

1. Improved Air/Fuel Mixture: A phenolic carburetor spacer increases the effective length of the intake manifold, which leads to better air/fuel mixture and improved combustion efficiency.

2. Enhanced Power: By improving the air/fuel mixture, a phenolic spacer can help increase power output, especially at high RPMs.

3. Better Idle Quality: A phenolic spacer can also help improve idle quality by providing more consistent fuel delivery.

4. Customizable: Holley offers a range of phenolic spacers with different heights and hole configurations, allowing you to customize the spacer to your specific engine setup.

1. Cost: Phenolic carburetor spacers can be more expensive than stock spacers.

2. Installation: Installing a phenolic spacer requires some mechanical knowledge and experience, as it involves removing the intake manifold and carburetor.

3. Potential for Leaks: There is a risk of fuel leaks when installing a phenolic spacer, as the spacer needs to be sealed properly to prevent fuel from escaping.

A 15490 phenolic carburetor spacer can provide significant performance benefits for a 4150 Holley carburetor, including improved power output, better idle quality, and enhanced combustion efficiency. However, it comes with some cons, such as the cost, installation complexity, and potential for fuel leaks.

If you are looking to maximize the performance of your 4150 Holley carburetor and have the necessary mechanical skills and experience, a phenolic carburetor spacer can be a worthwhile investment. However, it is essential to ensure that the spacer is installed correctly to avoid any potential fuel leaks. It may be a good idea to consult with a professional mechanic or Holley technical support for installation instructions and guidance.

part # 15490 price

• $22.99

specifications carbcaddie:

• brand: Jegs Perfomance Products
• type: Spacer
• items included: Mounting Hardware
• manufacturer part number: 15490
• material: Aluminum
• universal fitment: Yes
• vintage part: No

seller carbcaddie:

• rating: 0.0%
• # reviews: 0

shipping carbcaddie:

• carrier: USPS
• cost: $8.46
• class: Standard
• transit: 7-11 Days
• type: Calculated
• service: USPS Ground Advantage

payments carbcaddie:

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

offer carbcaddie:

• best offers: True
• options: Ship-to-home
• started: February 20, 2026
• availability: In Stock
• quantity: 1
• sold: 0

returns carbcaddie:

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

general carbcaddie:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts

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