Cast Satin Finish - Direct Injection; The Holley GM Gen V LT Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7,000-8,000 rpm depending on the application. This is the intake base only and you can choose to add either a 95 mm, 105 mm forward facing, 105mm side mount. or various 4150 flange top plates to configure the intake your way. The Lo-Ram provides a low profile modular intake manifold suitable for use with plenum mounted air-to-water intercoolers for boosted applications.