1. Automotive Used Intake Manifolds Items
  2. sku: 12013478409196721
  3. TRICK FLOW TFS-51520019

TRICK FLOW TFS-51520019 Spacer Phenolic Kit Intake Manifo 842645111662 3/8 5.0L

fits model: Gt40, Mustang.

Tfs-51520019 Trick Flow Spacer Gt40 Phenolic 3/8 Inch Kit Mustang 5.0l With Intake Manifo

( Brand: Trick Flow ), ( Type: Phenolic Spacers ), ( Manufacturer Part Number: TFS-51520019 ), ( UPC: 842645111662 )

Review TRICK FLOW Spacer Phenolic 3/8 Inch Kit 5.0l Intake Manifo fits MUSTANG GT40

The Trick Flow TFS-51520019 Spacer Kit for the Ford Mustang 5.0L Intake Manifold with GT40 Phenolic Runners is an essential upgrade for any Mustang enthusiast seeking improved engine performance. This kit, designed by the renowned aftermarket engine parts manufacturer Trick Flow Specialties, is specifically engineered to enhance the airflow efficiency of your GT40 phenolic runners.

The centerpiece of this kit is the set of three spacers, each expertly crafted from high-quality billet aluminum. These spacers are designed to perfectly fit between the GT40 phenolic runners and the intake manifold, providing a more significant intake runner volume and an optimized combustion chamber size. As a result, this upgrade significantly enhances the airflow capacity, leading to increased horsepower and torque gains.

The Trick Flow TFS-51520019 Spacer Kit also includes steel gaskets, ensuring a secure and leak-free seal between the intake manifold and the GT40 phenolic runners. These gaskets are meticulously designed to maintain the perfect sealing surface, allowing for a hassle-free installation process.

Moreover, this kit's billet aluminum construction not only offers superior strength and durability but also boasts a sleek, polished finish that complements the under-the-hood appeal of your Mustang engine. The precise machining of these components ensures a perfect fit, ensuring a seamless integration into your existing intake system.

In summary, the Trick Flow TFS-51520019 Spacer Kit for the Ford Mustang 5.0L Intake Manifold with GT40 Phenolic Runners is a must-have upgrade for enthusiasts seeking enhanced engine performance, improved airflow efficiency, and a visually appealing addition to their engine bay. With its high-quality materials, meticulous design, and hassle-free installation process, this kit is an excellent investment for any Mustang owner.

Trick Flow TFS-51520019 Spacer Kit for Mustang 5.0L Intake Manifold: A Detailed Analysis

The Trick Flow TFS-51520019 Spacer Kit is a performance upgrade for the intake manifold of the Mustang 5.0L engine. This kit includes phenolic spacers designed to enhance airflow and improve engine performance. In this analysis, we will discuss the potential advantages and disadvantages of investing in this product.

Pros:

1. Improved Airflow: The primary function of the Trick Flow spacer kit is to provide better airflow by reducing the distance between the intake runners and the cylinder heads. This results in a more efficient combustion process and, consequently, increased horsepower and torque.

2. Enhanced Power Output: The improved airflow and efficient combustion process lead to an overall increase in power output. A significant boost in horsepower and torque can be achieved, particularly in high-performance applications.

3. Improved Throttle Response: The spacer kit's design allows for a smoother and more responsive throttle response. This leads to a more enjoyable driving experience, especially when accelerating from a stop or during aggressive maneuvers.

4. Durability: The spacers in the Trick Flow kit are made from high-quality phenolic material, which is known for its strength and heat resistance. This ensures that the spacers can withstand the rigors of high-performance driving and provide long-lasting performance.

Cons:

1. Cost: The Trick Flow TFS-51520019 Spacer Kit can be a costly upgrade for Mustang 5.0L engine owners. The price tag may be a deterrent for some, particularly those on a budget.

2. Complex Installation: Installing the Trick Flow spacer kit requires some level of mechanical expertise. The process involves removing the intake manifold and replacing the factory spacers with the new phenolic ones. This can be a time-consuming and intricate process for those without experience.

3. Potential Compatibility Issues: The Trick Flow spacer kit may not be compatible with all aftermarket intake systems or modifications. It is crucial to ensure that the kit is suitable for your specific engine configuration before making a purchase.

Conclusion:

The Trick Flow TFS-51520019 Spacer Kit offers several advantages for Mustang 5.0L engine owners seeking improved performance. Its ability to enhance airflow, increase power output, and provide smoother throttle response makes it an attractive option for those looking to get the most out of their engine. However, the high cost and complex installation process may deter some potential buyers. If you are comfortable with the installation process and willing to invest in the performance upgrade, the Trick Flow spacer kit can be an excellent addition to your Mustang.

Recommendation:

If you are a Mustang 5.0L engine owner seeking improved performance and are comfortable with the installation process, the Trick Flow TFS-51520019 Spacer Kit is a worthwhile investment. Ensure that your engine configuration is compatible with the kit before purchasing, and be prepared for the cost and installation complexity. For those on a budget or without the necessary mechanical expertise, alternative performance upgrades may be more suitable.

Details:

This Trick Flow GT40 3/8 Phenolic Spacer Kit is made from premium phenolic material using a CNC machined construction. This kit is easy to install thanks the included new gaskets and longer mounting hardware. Features and Benefits: - Fits 1986 1995 Mustangs with a GT40 Intake Manifold, Constructed from Phenolic Material, CNC Machined Construction, 3/8 Spacer, Cooler Denser Air in the Upper Intake, Raises height of to Clearance Aftermarket Valve Covers, Proudly Manufactured USA!, Includes Correct length Hardware. This Trick Flow GT40 3/8 Phenolic Spacer Kit TFS-51520019 is available at CJ Pony Parts to help you keep your 1986 1995 5.0L Mustangs intakes air cooler and denser.

Its purpose is to create a heat Flow barrier by fitting between your upper and lower intakes. This is made for Mustangs with a GT40 Intake Manifold. It also raises the intakes height , allowing for use of taller valve covers. Once installed, it will keep air in your upper intake much cooler and denser than before.

part #: tfs51520019 price

  • $112.98

specifications inputmanifolds:

  • for models: Gt40, Mustang
  • brand: Trick Flow
  • type: Phenolic Spacers
  • manufacturer part number: TFS-51520019
  • upc: 842645111662

offer inputmanifolds:

  • quantity: 1
  • started: February 18, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

seller inputmanifolds:

  • # reviews: 95509
  • city: Las Vegas, Nevada
  • rating: 99.7%

payments inputmanifolds:

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

general inputmanifolds:

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

shipping inputmanifolds:

  • transit: 2-6 Days
  • service: Standard
  • class: Standard
  • type: Fixed
  • cost: $11.99

returns inputmanifolds:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: gt40, mustang, type: phenolic spacers,
category: auto parts > car truck parts accessories > air fuel delivery > intake manifolds, sku: 12013478409196721,

Trick Flow TFS-51520019 Is Similar To:

inputmanifolds logo
1 offer $112.98 USD
  • New. Offer #1 priced at $112.98 + $14.99 delivery = $127.97* total. EFI Intake Manifold Heat Spacer Kit, Phenolic, 3/8 in., Ford Racing GT-40 EFI Intakes, Ford 5.0L, Each.+$14.99 shipping

Copyright © inputmanifolds.com