AFR 4460 Air Flow Research Phenolic Carb Spacer Tapered 1IN 4150

( Brand: Afr ), ( Type: Carburetor Adapters And Spacers ), ( Manufacturer Part Number: 4460 ), ( Performance Part: Yes )

Review AFR Air Flow Research Sbc 1in Phenolic 4150 Carb Spacer Tapered

The AFR (Automotive Fuel Research) 4460 1-inch Phenolic 4150 Carburetor Spacer is a high-performance aftermarket part designed to enhance the air flow and fuel delivery in your carbureted engine. This tapered spacer is specifically engineered for use with 4150-series carburetors and is constructed from phenolic material, which is known for its exceptional heat resistance and dimensional stability.

The AFR 4460 spacer features a tapered design, which helps to improve the air flow dynamics within the carburetor. By optimizing the air flow, this part can result in improved engine performance, increased power output, and smoother idle characteristics. Additionally, the tapered design of the spacer can help to reduce the amount of fuel hiccups and surges that can occur during acceleration.

This AFR spacer is also precision machined to ensure a perfect fit with 4150-series carburetors. The one-inch height of the spacer provides ample clearance for most intake manifolds, making it a versatile option for a wide range of applications. The phenolic material used in the construction of this spacer is also resistant to warping, cracking, and other forms of wear and tear.

In summary, the AFR 4460 1-inch Phenolic 4150 Carburetor Spacer is an essential upgrade for any carbureted engine seeking improved air flow and fuel delivery. Its tapered design, precision machining, and heat resistance make it an ideal choice for enhancing engine performance and ensuring reliable operation. Whether you're a seasoned racer or a weekend enthusiast, this AFR spacer is a valuable addition to your performance parts arsenal.

The AFRL 4460 1-inch phenolic 4150 carb spacer tapered is a performance part commonly used in carbureted applications, particularly in racing and high-performance engines. Here are some pros and cons of buying this specific carburetor spacer:

1. Enhanced Air Flow: The primary function of this spacer is to improve air flow into the carburetor, leading to better combustion and increased power output.

2. Precise Design: The tapered design of the spacer ensures a precise fit between the carburetor and intake manifold, minimizing air leaks and maximizing efficiency.

3. Durability: The 4150 alloy used in the construction of this spacer is known for its strength and durability, making it suitable for high-performance applications.

4. Improved Throttle Response: By improving air flow and reducing air leaks, the spacer can lead to improved throttle response, making the engine more responsive and easier to drive.

1. Cost: The AFRL 4460 spacer is a premium performance part and can be expensive compared to standard carburetor spacers.

2. Installation Complexity: Installing this spacer may require some technical knowledge and skills, as well as specialized tools, which could add to the cost and time of the installation process.

3. Potential for Increased Noise: The improved air flow and throttle response can lead to increased engine noise, which may not be desirable for all applications.

The AFRL 4460 1-inch phenolic 4150 carb spacer tapered is a high-performance part that can provide significant benefits in terms of increased power output, improved throttle response, and precision fit. However, it comes with a cost premium, installation complexity, and potential for increased noise.

Based on the pros and cons presented, it is recommended that this spacer be considered for applications where maximum power output and improved throttle response are priorities, and where the cost and installation complexity are acceptable. For standard applications, a less expensive and simpler carburetor spacer may be a more suitable option.

part # 4460 prices

• $41.00-$86.16

specifications carbcaddie:

• brand: Afr
• type: Carburetor Adapters And Spacers
• manufacturer part number: 4460
• performance part: Yes

seller carbcaddie:

• # reviews: 106420
• rating: 99.6%

general carbcaddie:

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

returns carbcaddie:

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

payments carbcaddie:

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

offer carbcaddie:

• quantity: 5
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: August 16, 2025

shipping carbcaddie:

• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard
• transit: 3-5 Days

Afr 4460 Is Similar To:

• Afr Air Flow Research 4450 Sbc 1in Phenolic 4150 Carb Spacer Open Clover (88.7% similar) $58.31–$65.41. (October 18th, 2025)