Polished Stainless Steel Water Dump - Angled 1" Push-on Hose

This new stainless steel water discharge fitting was just released. This unit features a 45 degree down slope that can direct water in a particular direction or even act as an outdrive cooling shower.

Just released are two new stainless steel water dischargers. The first being a flush mount unit for a clean Eurostyle look. While the second has a 45 degree down slope that can direct water in a particular direction or even at the outdrive acting as a cooling shower.

496 Hi-Torque Exhaust System

Stainless Marine now offers its time tested system for the 496, 8.1 Mercruiser Chevy engine. This is the same exhaust manifold that has proven itself time and time again both on the race circuit and on pleasure boats. It is designed with the Hi Torque in mind for both reliability and ease of installation. It, like all Stainless Marine products, carries the best warranty on the market along with the assurance that is made by a company known to stand behind their products.

Big Block 525 Merc EFI/700 Replacement Exhaust System (Standard Exit)   

Stainless Marine has been building quality marine exhaust systems for a number of years. So when theneed arose for a manifold option or solution for the popular Mercury racing 525/600 and 700 EFI enginesthey were right on top of it. Stainless marine has designed an exhaust pattern machining fixturethat when attached to the factory cylinder head will allow boring, drilling, machining and tapping of auxiliaryexhaust system attachment holes. These new holes will allow attachment of one of their traditional H/Pmanifold systems. Exhaust exits are designed for standard Bravo exit locations.

Note: Machining of Cylinder Heads is required to use these manifolds. A machining fixture is available for rent to facilitate this.

Big Block Cast Stainless Steel Crossover Kit

The water inlet can be plumbed from the port to starboard by rotating the inlet for custom rigging applications.  This crossover is a 1-piece stainless casting and highly polished.  This crossover fits big block Chevy engines and is available with a 1-1/4" hose connection.

Big Block GM H/P Long Riser Kit

This system was designed for mildly modified factory engine packages. It shares the same features as the systems listed above, except its long tailpipe discharges water later in the exhaust stream. This provides some flexibility for mild cam shaft changes. Please consult us for cam shaft compatibility.

Big Block GM Hi-Torque Captains Call With Switchable Exhaust Riser compatibility

This kit comes with the same features as the standard kit, except that it has a riser designed to accommodate boats equipped with a switchable exhaust diverter. This is a remarkably easy installation and comes with all brackets and necessary hardware.

Industry wide, Stainless Marine exhaust systems are recognized for increased horsepower, remarkable weight savings, an exclusive five-year warranty and an incredible value.

Tests by both Hot Boat and Trailer Boat Magazines revealed increases of 3.2 to 6.5 MPH on MerCruiser Big Block powered 22'-24' boats.

The unique construction results in the heaviest manifold weighing only 23 pounds A huge savings compared to cast iron Stainless Marine is one of the top quality and least expensive systems available today. Note: All systems based on Bravo applications.

Big Block GM Hi-Torque Dry System

This system is designed for heavily modified engines with large cam shafts and/or high compression It will deliver maximum horsepower and reliability on naturally aspirated engines Keep in mind, all dry systems are very loud

Big Block GM Hi-Torque Standard Kit

The Hi-Torque manifolds feature state of the art design with a single wall internal casting that is enclosed in a press formed aluminum jacket creating a fully water cooled manifold. A highly polished stainless steel riser comes standard as well as bolts, gaskets and fittings. This system is also covered with an exclusive 5 year warranty.

Industry wide, Stainless Marine exhaust systems are recognized for increased horsepower, remarkable weight savings, an exclusive five-year warranty and an incredible value.

Tests by both Hot Boat and Trailer Boat Magazines revealed increases of 3.2 to 6.5 MPH on MerCruiser Big Block powered 22'-24' boats.

The unique construction results in the heaviest manifold weighing only 23 pounds A huge savings compared to cast iron Stainless Marine is one of the top quality and least expensive systems available today. Note: All systems based on Bravo applications.

Chevy Water Divider with Bypass - 3 Nipple

These beautiful cast stainless steel water divider outlets work fabulous on Chevrolet engines. Their unique design positions the hose connections in front of the motor for easy plumbing access.

Chevy Water Divider without Bypass - 2 Nipple

These beautiful cast stainless steel water divider outlets work fabulous on Chevrolet engines. Their unique design positions the hose connections in front of the motor for easy plumbing access.

Looking to get some temperature in your supercharged engine? At last you can buy a custom designed crossover kit allowing the use of a thermostat or a kit with no thermostat.  The choice is yours Starboard inlet available by special order.

Complete Crossover Cooling Kits for Supercharged Big Block Chevy Engines - 8-71/14-71 Kit without Bypass Port Inlet

Looking to get some temperature in your supercharged engine? At last you can buy a custom designed crossover kit allowing the use of a thermostat or a kit with no thermostat.  The choice is yours Starboard inlet available by special order.

Complete Marine Cooling Crossover Kit - Big Block Chevy Port Inlet without Bypass

Big Block Chevy Port Inlet without Bypass By removing that power robbing engine mounted circulating pump you can experience horsepower gains of up to 15 horsepower while increasing water circulation.  These kits come complete with all necessary bolts, gaskets, and hardware.  Note: Bypass systems use a thermostat while non-bypass doesn't.

Complete Marine Cooling Crossover Kit - Big Block Chevy Starboard Inlet with Bypass

Big Block Chevy Starboard Inlet with Bypass. By removing that power robbingengine mounted circulating pump you can experience horsepower gains of up to 15horsepower while increasing water circulation.  These kits come completewith all necessary bolts, gaskets, and hardware.  Note: Bypass systems usea thermostat while non-bypass doesn't.

Complete Marine Cooling Crossover Kit - Big Block Chevy Starboard Inlet without Bypass

Big Block Chevy Port Inlet without Bypass By removing that power robbing engine mounted circulating pump you can experience horsepower gains of up to 15 horsepower while increasing water circulation.  These kits come complete with all necessary bolts, gaskets, and hardware.  Note: Bypass systems use a thermostat while non-bypass doesn't.

Complete Crossover Cooling Kits For Supercharged Big Block Chevy Engines - B&M/Holley 174 Kit with Bypass Port Inlet

Looking to get some temperature in your supercharged engine?  At last you can buy a custom designed crossover kit allowing the use of a thermostat or a kit with no thermostat.  The choice is yours.  Starboard inlet available by special order.

Complete Crossover Cooling Kits For Supercharged Big Block Chevy Engines - B&M/Holley 174 Kit without Bypass Port Inlet

Looking to get some temperature in your supercharged engine?  At last you can buy a custom designed crossover kit allowing the use of a thermostat or a kit with no thermostat.  The choice is yours.  Starboard inlet available by special order.