Holley's Ultra Lo-Ram intake manifold is engineered for GM Gen V LT engines running GM LT-style cylinder heads, whether OE or aftermarket. Built for forced-induction (supercharged or turbocharged) applications with peak power in the 7,000-8,000 rpm range, this front-feed version is set up for OE direct fuel injection only and does not include port injection fuel rails.
Specifications:
- Engine: GM Gen V LT1
- Finish: Black
- Flange Style: EFI, 105mm throttle body bore
- RPM Power Band: 3,500-8,000
- Configuration: Front-feed, OE direct injection only (no port injection fuel rails)
- Only 0.97-inch taller than a factory LT1 manifold for maximum hood clearance
- Clears C7 Corvette cowls and hoods without modification
- Part Number: 300-717BK
The 105mm front-entry throttle body flange accepts OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies, such as PN 112-581. Base manifold, plenum top, and throttle body adapter are also sold as separate kits for custom builds.
FAQ
Does this manifold include port injection fuel rails?
No — this is the OE direct injection only version and does not include the port injection fuel rail kit.
What throttle body fits this manifold?
The 105mm front-entry flange accepts OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies, such as PN 112-581.
What engines is this manifold designed for?
GM Gen V LT engines running GM LT-style cylinder heads, OE or aftermarket, in forced-induction applications with peak power around 7,000-8,000 rpm.
Will this manifold clear a stock hood?
It's only 0.97-inch taller than a factory LT1 manifold and clears C7 Corvette cowls and hoods without modification.
