Description
Performance Intake Upgrade. The Holley EFI Lo-Ram Intake Manifold Kit with Port Injection Fuel Rails in black is engineered to improve the efficiency and power output of GM Gen V LT engines. It optimizes air and fuel delivery for forced induction setups, delivering peak power at high RPM ranges. This makes it an essential component for enthusiasts seeking enhanced engine performance with a compact profile.
Construction and Appearance. Made from as-cast aluminum, this intake manifold offers durability and strength with a smooth satin or black powder coat finish. Its modular design allows compatibility with various plenum tops, while the low-height profile helps it fit under stock or slightly modified hoods.
Installation. Installation is straightforward for experienced technicians and generally does not require drilling. Included hardware and brackets simplify mounting the high-volume fuel rails for port injection systems.
Warranty. This product is backed by the manufacturer’s limited 90-day warranty.
Application. Specifically designed to fit 2014-2026 Corvette C7 and C8 models, excluding the ZR1 variant.
Holley EFI 300-718BK
CA Residents: WARNING: Cancer and Reproductive Harm
- Designed for GM Gen V engines equipped with GM LT type cylinder heads
- 105mm diameter throttle body opening accepts OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies
- Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7,000-8,000 RPM depending on the application
- Low-height top-feed plenum profile to fit under a stock or mildly modified hood
- Modular design and top entry plenum flange allow the use of popular Holley Hi-Ram plenum tops as well as facilitating custom fabricated plenum tops
- Base manifold, plenum tops, and fabrication flanges available as separate kits
- Designed to accommodate plenum mounted air-to-water intercoolers for boosted applications
- Kits with port injection provide high volume fuel rails with 3/4-16 O-ring ports (8 AN)
- Mounting hardware is included
- 3.18 inches taller than a factory LT1 manifold
- Fits 2014-2026 Corvette C7 and C8, excluding ZR1






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