GM LS1/LS2/LS6 Cathedral Port Single Plane EFI Intake Manifold w/ Fuel Rails NEW Part Number: HH6449RSColor: Silver (Bare Cast Aluminum)Fitment: GM Gen III or Gen IV LS engines with LS1/LS2/LS6 cathedral port cylinder heads Features:2600-6800...

The new Holley Single-Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit GM LS Gen III engines...

BTR EQUALIZER INTAKE MANIFOLD - CATHEDRAL PORT - IMA-01For use with Fuel Rail Kit BTR FRK-01This intake is designed for combinations that are looking to make peak power between 6000 and 8000 rpm. Boosted engine combinations are actually more reliable...