Low Price Holley Efi Hi-ram Intake For 1 X 105mm Gm Ls Throttle Body, Longitudinal Mount Plenum Top With A 35% Price Cut [J18iLCS9]

Holley EFI Hi-Ram Intake for GM LS Throttle Body

The Holley EFI Hi-Ram Intake for 1 x 105mm GM LS Throttle Body is a game-changer for high-performance applications where induction system height is not a limiting factor. Designed as a cost-effective alternative to fabricated sheet-metal, this intake manifold offers exceptional performance and a bold, race-bred styling that is perfect for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, and street-rod applications. Its modular base configuration allows for a wide range of carbureted and EFI tops, making it an attractive choice for builders and fabricators seeking a foundation for custom induction systems.

Key Features and Specifications

The Holley EFI Hi-Ram Intake boasts several features that set it apart from other intake manifolds. Its runners are designed with a tapered cross-section, ensuring optimal performance for a wide range of engine configurations. The intake is constructed from cast aluminum, providing durability and reliability. The EFI fuel rails are machined for -8AN O-ring Fittings, with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system. This intake is intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, delivering maximum power at 7000–8000+RPM.

• Modular base design for custom induction systems.
• Cast aluminum construction for durability and reliability.

Practical Uses and Installation Notes

This intake manifold is ideal for racing, performance, and street rod applications where hood restrictions are not a concern. The base plenum top mounting flange height is 8.42” to the lifter valley cover flange on the engine block, while the total height with the 92/102mm EFI plenum top is 12.32”. The intake features a port size of 2.49” height x 1.21” wide, with a mounting flange gasket type of standard LS3 Molded O-Ring and a plenum top gasket type of 3/32” Round O-ring Cord. The throttle body flange location, with the 92/102mm EFI plenum top, is at a height of 8.42” (from the engine block lifter valley cover flange), a longitudinal location of 3.84” (forward from the engine block front flange), and an angle of 25 deg. (down from vertical). The runner length is 6.50”, with an as-cast runner cross-sectional area of Tapered 4.25 in² to 2.77 in².

• Excellent for racing and performance applications.
• Easy installation with clear installation notes.