1. Home
  2. Fuel/Lubricants
  3. Fuel Tank & Fuel Accessories
  4. EC 997 Manifold Pulse Fitting – 5/16-24" Billet, Low-Profile
EC 997 Manifold Pulse Fitting – 5/16-24
5/16-25" Thread Aluminum Manifold Straight Pulse Fitting
Write a Review

EC 997 Manifold Pulse Fitting – 5/16-24" Billet, Low-Profile

Part Number: 997
Online Price: $2.00
EC 997 Low-Profile Manifold Pulse Fitting – 5/16-24" Billet Aluminum
Availability: In Stock.

Send to:

*We'll ask for shipping info at checkout

Description

EC 997 Billet Manifold Pulse Fitting – 5/16-24" Thread, Hard Anodized Black


Upgrade your fuel system with the newly updated EC 997 Manifold Pulse Fitting, precision-machined from billet aluminum and hard anodized in black for exceptional durability and a clean, professional look. Now with a shorter, low-profile design, this version improves both the aesthetics and functionality of your engine build.


The compact size of the updated 997 makes installation and removal of 1/4” vacuum lines significantly easier, especially in tight engine fitment. Designed specifically for use with EC billet intake manifolds, this pulse fitting ensures a cleaner, more efficient vacuum signal for your external fuel pump setup.


Unlike pulsing from the valve cover or side cover—which can send hot fumes, oil, and fuel (especially methanol) into your pump—pulsing from the intake manifold provides a cooler, cleaner vacuum source, helping to extend fuel pump life and maintain consistent performance.


Key Features:

  • Thread Size: 5/16-24"
  • Material: CNC machined from billet aluminum
  • Finish: Hard anodized black for corrosion resistance and a sleek look
  • Low-Profile Design: Newly shortened body for compact fitment and easier line access
  • Improved Vacuum Signal: Helps protect fuel pumps from contamination and heat
  • Perfect Fit: Designed for EC billet intake manifolds and compatible carb/fuel pump systems


Why Use a Manifold Pulse Fitting?

Pulsing off the intake manifold instead of the side cover or valve cover ensures your fuel pump receives a cleaner and cooler vacuum signal, free from hot gases or contaminants—especially important when running methanol or other harsh fuels.

FAQ

1. What is the EC 997 Pulse Fitting used for?

It’s used to provide a vacuum signal from the intake manifold to operate an external fuel pump. This setup is preferred over pulsing from the valve cover, which can introduce contaminants.


2. What size thread does it use?

The EC 997 uses a 5/16-24" thread, making it compatible with most EC billet intake manifolds and setups designed for high-performance or racing engines.


3. Why choose a low-profile pulse fitting?

The shortened design makes routing and connecting 1/4” vacuum lines easier in tight spaces, while also giving your engine a cleaner look.


4. What material is it made from?

It’s CNC machined from billet 6061 aluminum and hard anodized in black for enhanced durability and corrosion resistance.


5. Is this fitting suitable for methanol fuel systems?

Yes. It's specifically designed to prevent hot fumes, oil, and methanol vapor from contaminating your pump—making it a reliable solution for methanol-fueled engines.


6. Do I need this fitting if I already pulse from the valve cover?

We recommend pulsing from the intake manifold over the valve cover to ensure a cleaner, cooler vacuum signal, which helps protect your fuel pump and improves long-term reliability.

Related Items

Blue 1/4 Go Kart Fuel Line
$0.99
In Stock.

Recently Viewed Items

Logo