The Holley GM Gen V LT Lo-Ram intake manifold kit is designed for Gen V LT engines with GM LT cylinder heads (OE or aftermarket), built for forced induction applications with peak power at 7,000-8,000 RPM. This top-feed configuration includes port injection fuel rails sized to accommodate long or short injectors.
Specifications:
- Engine: GM Gen V LT1
- Flange Style: EFI, top-feed
- Throttle Body Opening: 105mm, accepts OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies
- Finish: Satin
- Operating RPM Range: 3,500-8,000
- Fuel Rails: High-volume, 3/4-16 O-ring (8AN) ports, mounting hardware included
- Injector Compatibility: Long (standard length) or short (Pico, LS7-style) with included brackets
- Height: 3.18" taller than a factory LT1 manifold
- Part Number: 300-711
Designed to fit under a stock or mildly modified hood and suitable for use with plenum-mounted air-to-water intercoolers on boosted applications. Various Hi-Ram plenum tops are available to complement this top-feed base.
FAQ
What engine is the 300-711 manifold designed for?
GM Gen V LT engines (LT1) with GM LT cylinder heads.
What throttle body size does it accept?
105mm, compatible with OEM 4-bolt LS/LT DBW or Holley LS/LT throttle bodies.
What injector lengths does the fuel rail kit support?
Both long (standard) and short (Pico or LS7-style) injectors, with brackets included for each.
What RPM range is this manifold built for?
3,500-8,000 RPM, aimed at forced induction applications.
