IMCO PowerFlow Big Block Manifold and "A" 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, including the ports

A unique feature to this pump is that the rear housing has 1"npt female inlet/outlet ports so that a wide range of fittings and hose connections can be used for ease of installation

They are ideal for high performance power boats

18” OF STROKE

Aluminum casings

Brushed stainless steel

and are installed under bolt heads for leak-free performance

and docks in the dark with these stationary docking lights

Stainless steel ”A” risers are designed for stock Mercruiser Bravo exhaust tip locations

Best of all the new gauge is loaded with exclusive features such as a digital display featuring an eight function menu

Note that in the accompanying photos

3" Diameter x 25" Long

Quicksilver Mercruiser Bravo One Aluminum Anode Kits replace all sacrificial zinc anodes on 1988 and newer Mercruiser Bravo one stern drive units