Holley EFI Modular Lo-Ram EFI Manifold for Gen III or IV LS engines with LS1, LS2, or LS6 heads (300-620BK)

Features/Benefits: Designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads Designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. With forced-induction and the short runner length the engine rpm at which peak power occurs is more likely to be coupled to the supercharger or turbocharger being used Modular design allowing the use of top-feed plenum entry Top-feed plenum design is compatible with the available Hi-Ram Plenum tops Low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration or to fit under a stock or mildly modified hood in the front-feed configuration High volume fuel rails and mounting hardware included with ¾”-16 o-ring ports (8 AN)The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake