Holley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit " ford FUEL AIR SEPARATION SYSTEM

FUEL AIR SEPARATION SYSTEM

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2021-2023 Chevrolet Silverado 3500 HD High Country Crew Cab Pickup

Holley EFI 300-623 LS1 Lo-Ram EFI Front-Feed Manifold Kit " ford FUEL AIR SEPARATION SYSTEMThe 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 manifolds will work with OE or aftermarket cylinder heads. Plenum top is machined for a standard large 6 1 8 in. x 3 1 8 in. burst panel. SFI approved burst panels, burst panel frame sets, and gaskets may be purchased from various manufacturers such as Allstar Performance or Specialty