Hi-Performance Combination Power Steering & Engine Oil CoolerHi Performance Combination Power Steering & Engine Oil Cooler, 3" Diameter, 23" Overall Length, 3 4" NPT Oil Connections, 3 8" NPT Power Steering Connections, 1" NPT Water Connection Have you made some performance modifications and you're now making mega horsepower only to find out your stock Mercury cooler can't keep up? Well not only is this our most popular combination cooler, it is also the answer to getting those oil temperatures back down where

3" Diameter

push down and the cleat stays down

Battery boxes are made of Hi-Quality 304-L marine grade stainless steel

Dimensions: 14 1/2" Overall length

Sealed Lenses to help prevent moisture and fogging inside the gauges

Our billet fender holders are available for 6" and 8

Our Breather sits 1/4" tall and has a 1" diameter that will accept 5/8" hose

Each set includes an oil fill hole and cap on one valve cover

Tubing Polished

PowerFlow manifolds are water-jacketed

What happens if you actually fill the units to the top with sand well

Have you made some performance modifications and you're now making mega horsepower only to find out your stock Mercury cooler can't keep up