Holley EFI Fuel Rail Kit For #300-134 And 300-135 Intake Manifold

Fuel Rail Kit for Holley LS EFI Manifold - 2x4 Mid-Rise Dual Plane style for all GM LS Gen III or Gen IV engines equipped with LS3/L92 style rectangular port cylinder heads.
This fuel rail kit is specifically designed to work with the Holley GM 2x4 dual plane manifold. Working to utilize the technology of the LS pushrod engine and now mated with the impressive multi-carb looks and performance of the muscle car era in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am at Lemans in the 1960's.!FeaturesModular Design w/ Removable TopA-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See DrawingHeight at Plenum Flange: 9.44”O-Ring Seals for Plenum Top