E
Emma S.
Verified Buyer
12/14/2025
Exactly what I needed
Easy to order and arrived quickly. Product matched the listing and works great.
EFI Regulators
$429.99
FREE delivery
Description
ABOUT THIS PRODUCT
boost reference and is designed to be used in conjunction with any electric EFI fuel pump. Features built in gauge port, mounting bracket, two AN -8 O-ring fittings and a AN-6 O-ring return fitting.Product Features:
- Black anodized
- Easy installation
- -8an & -6an O-ring style fittings included to adapt to steel braided fuel lines
- Designed to regulate high fuel demands for naturally aspirated EFI, turbo, supercharged and nos race applications
- Engineered to regulate extreme flow volumes generated by racing fuel systems
- CNC machined billet aluminum
- Allows adjustment from 15-65 psi + boost reference
Specifications
- Brand
- Holley (1288)
- SKU
- 512-504-5
- Product type
- Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information
Free shipping on all orders. Most items ship next business day after your order is placed.
Returns Policy
Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.
Customer Reviews
5.0
Based on 1 review
Share your thoughts
Admin control
Switch the store homepage between automotive, CPAP, and regular presets.
Admin control URL
Bookmark this private link to open the admin panel anytime.
https://districtmailing.com/?dm_theme_admin=1&key=dm-control
Active homepage: Automotive
Homepage themes
Click a theme to activate it store-wide. All visitors will see the selected homepage.
Hero images for each theme can be customized later. Switching modes changes the full homepage layout immediately after activation.
Quick links
- Choosing a selection results in a full page refresh.
- Opens in a new window.