Two Stage *WET* Direct Port System 150-1000+ HP Annular Kit Tapered Carburetor 454-O Intake Manifold for Big

454-O Intake Manifold for Big Block Chevy with Large Oval Port Heads

with Plenum Port and Gasket Match

Great upgrade for 2009 - 2025 5

The 123MM HI-BOOST Kit includes:

Two Stage *WET* Direct Port System 150-1000+ HP Annular Kit Tapered Carburetor 454-O Intake Manifold for BigNitrous Pro Flow 8 Cylinder Direct Port systems offer maximum horsepower capability. Included in these systems are our Equalizer Distribution Blocks, which provide the best possible distribution of nitrous and fuel while maximizing flow and preventing a phase change in the nitrous oxide. Also included in our systems are high flow fuel solenoids, high flow nitrous solenoids, nitrous purge solenoid, and stainless steel hard lines. You may choose either