Description
Performance Throttle Body Adapter. The Holley EFI Ultra Lo-Ram 105mm Throttle Body Adapter in black is designed to provide a low-profile mounting solution for 105mm throttle bodies on GM Gen V LT engines. Optimized for forced induction and high RPM applications, this adapter supports enhanced airflow while helping to maintain hood clearance.
Construction and Appearance. Made from cast aluminum with a black powder coat finish, this adapter ensures durability and corrosion resistance while offering a high-quality appearance. Precision casting delivers accurate fitment and reliable performance under demanding conditions.
Installation. Designed for straightforward installation with compatibility for OEM 4-bolt LS/LT drive-by-wire throttle bodies and similar models. The adapter includes a gasket or seal for proper mounting. Its low-profile design aids in maintaining clearance but installation requirements may vary by vehicle and setup.
Warranty. Covered by a manufacturer’s limited 90-day warranty, providing assurance of quality and durability.
Holley EFI 300-714BK
CA Residents: WARNING: Cancer and Reproductive Harm
- Holley GM Gen V LT Ultra Lo-Ram Intake Manifold Kits Designed For GM Gen V LT Engines Equipped With GM LT Cylinder Heads
- Intake Manifolds Compatible With OE Or Aftermarket Cylinder Heads
- Engineered For Forced Induction Applications Including Supercharged Or Turbocharged Engines
- Peak Power Intended At 7,000-8,000 RPM Depending On Application
- Front Entry Throttle Body Flange With 105mm Opening Compatible With Specific Throttle Body Number Or Similar Models
- Front-Feed Base Intake Manifold Designed For Lower Overall Height Fitment Under Stock Or Mildly Modified Hood
- Modular Intake Manifold With Multiple Fabrication Flanges For Custom Throttle Body Adapter Or Inlet Duct Fabrication
- Available For OE Direct Fuel Injection Only And Port Fuel Injection Provision Options
- High Volume -8AN Fuel Rail Kit Included For Port Injection Option Accommodating Various Injector Lengths
- Designed For GM Gen V Engines With GM LT Cylinder Heads
- 105mm Diameter Throttle Body Opening Accepts OEM 4-Bolt LS/LT DBW Or Holley LS/LT Throttle Bodies
- Only 0.97 Inch Taller Than Factory LT1 Manifold For Maximum Hood Clearance
- Clears C7 Corvette Cowls And Hoods Without Modification
- Ultra Lo-Ram Available With Burst Panel Flange And Separate Billet Burst Panel Duct Options
- As-Cast Aluminum Available In Satin And Black Powder Coat Finishes
- Includes Gasket Or Seal For Installation
- Performance Grade Component Made From Cast Aluminum
- Throttle Bore Size 105mm Suited For RPM Power Band Between 3,500-8,000
- Manufacturer Limited 90 Day Warranty
| Brand | Holley EFI |
| Throttle Body Spacer Type | Adapter |






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