IMCO PowerFlow Big Block Manifold and "SA" Riser Kit(Sold in pairs)Shown with optional riser bung. These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds. We have experienced 40 50 foot pound of torque on bigh block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches. PowerFlow manifolds are water jacketed, water surrounds each exhaust passage,

seamless marine grade vinyl construction with molded ribs

AIRCRAFT STYLE FLIP TAB GAS FILL 2"

You won't find these features in the expensive copies that have no baffling

3/8" NPT P/S connections

It gives you the ultimate look for your engine compartment

Coast Guard approved with the bracket(s) listed on the U

Must be used in conjunction with one of our Optima battery boxes

this double tube design measures the amount of air trapped between the tubes to accurately and precisely measure your current fuel load This design makes installation and calibration for use with 33-240 ohm gauges

Available in all of our Fusioncoat and anodized finishes with the options to have floor or wall mount style

Bezels for Accon SS Slimline Cleats

They thought of that also

Gas fill is sold separately