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Overview
This -8 AN 180-degree fuel rail adapter fitting solves a common fuel rail plumbing problem when access to the fuel rail end port is limited. The -8 AN male swivel threads into the fuel rail end port and the adapter provides fuel routing in a 180 degree direction change while using a minimum of space. This prevents having to plug the end and dead heading your fuel rail when the space for a conventional adapter or hose end is not available. The Ultra Lo-Ram provides an additional 19.4mm front and 42.6mm rear clearance compared to the Ford Performance Cobra Jet manifold, plus clears 2015-2023 Mustang factory hoods. Offered in both round and oval throttle body configurations, with replacement front inlets for easy interchangeability. The oval inlet can accommodate up to a 150x66mm single throttle body and 93mm on the round variant. Round inlets include standard mounting provisions for GT350, GT500, and LS 4-bolt throttle bodies. 2011-2023 GT throttle bodies can be used with the optional 717-18 adaptor. The aggressively designed Hi-Ram is constructed in a two-piece design to accommodate for air to water intercoolers and feature up to 20% more plenum volume versus Ultra Lo Rams. This manifold design is only offered in an oval throttle body configuration.
Features:
- -8 AN 3/4-16 UNF Male Swivel O-Ring Port and Female O-Ring Port Attachments
- Modular design: accessible runner entries for porting, allows accessories like intercoolers and nitrous plates
- 300-911 and 300-912 Ultra Lo-Ram will fit under stock hood with stock engine mounts in 2015-23 Mustang
- Refined port design with streamlined injector boss for reduced turbulence without loss of flow area
- Allows a variety of throttle valves including large monoblade, 2015-20 GT350, 2007-14 GT500, 2019-23 GT500, GM LS 4 bolt, 2011-23 Ford Mustang GT (with optional adapter 717-18)
- Fuel rails with -8AN ports and dual 1/8 NPT accessory ports for gauges or Gen 3 direct injection fuel line hookup
- 300-911 and 300-912 front inlets can be interchanged between round and oval with service parts
- Plenum Volumes: 300-910 9.8-liters, 300-911 8.4-liters, 300-912 8.2-liters
- Two 1/8 NPT ports on all manifolds. Two 3/8 NPT ports on all manifolds, except 300-911 has one
Specs
| Adapter AN Size ( A ) | 3/4-16 Male O-Ring (8 AN) |
|---|---|
| Adapter AN Size ( B ) | 3/4-16 Female O-Ring (8 AN) |
| Adapter Type | 180 Degree Fuel Rail End |
| Brand | Holley EFI |
| Color | Black |
| Emission Code | 5 |
| Engine | Ford Coyote |
| Finish | Anodized Black |
| Grade Type | Performance |
| Material | 2024-T8 Aluminum |
| Product Line | Holley EFI Fuel System Installation Items |
| Product Type | Adapter Fitting |
| Warranty | Limited 90 Day |
| UPC | 090127356081 |
| Part Number | 534-321 |
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