HOLLEY HI-RAM LOWER MANIFOLD - GM LT1 WITHOUT PORT INJECTION

The HOLLEY HI-RAM LOWER MANIFOLD - GM LT1 WITHOUT PORT INJECTION is a high-performance intake manifold designed for the GM direct injected Gen V 6.2L LT1 engine. Its modular design allows easy disassembly for custom porting or induction setups, delivering optimized airflow and power across a broad RPM range.

Key Features

Modular design with removable top for easy customization
Large plenum volume of 549 cubic inches with 95mm or 105mm throttle body top
Optimized runner design with large radius, taper, and cross-sectional area
O-ring seals at cylinder heads and plenum top for reliable sealing
Several top options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or blank flange for custom throttle bodies
Rear plenum machined for MAP and three vacuum ports
Increased runner wall thickness for custom porting at plenum-to-runner entry
Fits 3500-8000+ RPM power band applications

Fitment

GM Gen V 6.2L LT1 direct injection engines without port injection

Note: Verify compatibility with your engine setup before ordering. This manifold does not include injector ports or fuel rails and is intended for direct injection only. Custom tuning and supporting components may be required for optimal performance.