1. Carburetor Parts On Sale
  2. sku: 1966604090703682
  3. ALLSTAR PERFORMANCE ALL25986

ALLSTAR PERFORMANCE ALL25986 Carburetor Spacer Flow Hole 848238016291

All25986 Allstar Performance Carburetor Spacer - Drag Hi-flow 1 In Thick 4 Hole

( Brand: Allstar Performance ), ( Type: Air Induction Fuel Delivery Gt; Carburetor Components Gt; Adapt ), ( Manufacturer Part Number: ALL25986 ), ( UPC: 848238016291 )

Review ALLSTAR PERFORMANCE Carburetor Spacer Drag Hi flow In Thick Hole

The Allstar Performance All25986 Carburetor Spacer is an essential modification for anyone seeking to enhance the performance of their 4150-style carburetor on Ford applications. This high-flow spacer boasts several features that cater to the performance enthusiast looking for improved engine throttle response, increased fuel flow, and a more efficient combustion process.

The Allstar All25986 spacer is precision-crafted from high-quality, strong, and lightweight 6061 aluminum. Its CNC-machined design ensures perfect fitment and maximum durability, eliminating the need for constant adjustments or replacements. The spacer is then anodized for an attractive appearance and additional corrosion resistance.

The All25986 carburetor spacer utilizes oversized, high-flow velocity stacks. These modified intake ports allow for a more substantial intake air mass to enter the engine, translating to better engine performance. By increasing the airflow into the engine, the carburetor can effectively feed more fuel, ensuring a richer air-fuel mixture for more powerful combustion.

Moreover, this spacer lightens the load on the carburetor bowl, enabling improved throttle response and precision. The optimized design of the voids within the spacer allows for better vapor burning, reducing fuel evaporation within the floats and improving idle stability dramatically. The spacer may typically be used in various applications, including small-block Ford monster mill engines roush cars, Cobra, Mustang GT, and daily drivers.

Legendary performance, durability, and enhanced functionality come standard with the Allstar Performance All25986 Carburetor Spacer. Whether you're a competitor on the race track or looking to add an edge for better commuting, this investment in your Ford setup is sure to reap dividends.

The Allstar Performance All25986 Carburetor Spacer Hi-Flow Holley is a popular aftermarket upgrade for those looking to improve the airflow and performance of their Holley carburetors. Here are some pros and cons of buying this spacer:

Pros:

1. Increased Airflow: The high-flow hole design of the spacer allows for more air to enter the carburetor, resulting in better engine performance and torque, especially at high RPMs.

2. Improved Idle Stability: The larger hole diameter offers better idle stability and can help eliminate surges and fluctuations in idle levels.

3. Easy Installation: The spacer is designed to be a simple bolt-on upgrade, making it an attractive option for DIY enthusiasts and professional installers alike.

4. Durable Construction: The spacer is machined from billet aluminum, ensuring a high-quality, long-lasting upgrade for your carburetor.

5. Broad Compatibility: The spacer is compatible with a wide range of Holley carburetor applications, making it a versatile upgrade for many different types of vehicles.

Cons:

1. Additional Cost: The spacer is an additional expense that some may argue is not necessary for stock or lightly modified engines. However, for high-performance applications, the benefits may outweigh the cost.

2. May Require Additional Jetting: Due to the increased airflow, some users may need to adjust their jetting to maintain proper fuel-air mixtures and prevent rich or lean conditions.

3. Could Create More Emissions: The increased airflow may lead to higher emissions output, which could be a concern for those looking to maintain a stock exhaust system.

Conclusion:

The Allstar Performance All25986 Carburetor Spacer Hi-Flow Holley is an effective and easy-to-install upgrade for those looking to improve the performance of their Holley carburetors, particularly in high-RPM applications. The benefits of increased airflow and improved idle stability make it a worthwhile investment for many, but it does come with some added cost and potential need for jetting adjustments. For those with high-performance applications or those seeking to maximize the potential of their Holley carburetor, this spacer is a solid choice. However, for stock or lightly modified engines, the cost and potential drawbacks may make it less necessary. As always, it's essential to consider your specific application and goals before making any upgrades to your engine or carburetor.

part # all25986 prices

  • $84.99-$87.69

specifications carbcaddie:

  • brand: Allstar Performance
  • type: Air Induction Fuel Delivery Gt; Carburetor Components Gt; Adapt
  • manufacturer part number: ALL25986
  • upc: 848238016291

offer carbcaddie:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: February 7, 2025

returns carbcaddie:

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

general carbcaddie:

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

shipping carbcaddie:

  • type: Fixed
  • carrier: UPS
  • class: Standard
  • transit: 4-7 Days
  • service: UPS Ground
  • cost: $11.95

seller carbcaddie:

  • # reviews: 46321
  • rating: 99.2%

payments carbcaddie:

  • credit card: Diners-club
  • other
  • wallet: Google-pay
type: air induction fuel delivery gt; carburetor components gt; adapt,
category: auto parts > car truck parts accessories > air fuel delivery > carburetor parts, sku: 1966604090703682,

Allstar Performance ALL25986 Is Similar To:

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5 offers $84.99–$87.69 USD
  • Offer #1: $87.69 price + free delivery = $87.69* total. Carburetor Spacer Drag Hi-Flow 1 in Thick 4 Hole Square Bore Plastic Gray Each.FREE SHIPPING
  • Offer #2: $84.99 price + $4.08 delivery = $89.07* total. Specially designed for drag race applications to isolate carburetor from manifold, spacers prevent horsepower-robbing heat transfer and increase the distance from the bottom of the carburetor to the manifold plenum for better air flow.+$4.08 shipping
  • Offer #3: $84.99 price + $23.15 delivery = $108.14* total. Manufacturer Part Number.+$23.15 shipping
  • Offer #4: $84.99 price + $11.95 delivery = $96.94* total. Tapered four-hole spacer has a specially contoured holes to increase air velocity under the carburetor.;.+$11.95 shipping
  • Offer #5: $87.70 price + free delivery = $87.70* total. Withstand temperatures up to 400 F Allstar Performance carb spacer, 4150 tapered 4-hole, 1.00in, for race car induction systems.FREE SHIPPING