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Rotary Marine
Mazda Rotary Marine Engine Conversion Parts & Engines
Sort by:Recommended
Marine Rotary Engine Mounting Plate (ARM-13MP)
Marine Mounting Plate provides a safer and more effective way to secure the rotary engine.
Mount Plate bolts to early (1974-1985) Rotary Engine Front Cover, which can be fitted to any later rotary engine as well.
Includes mounting locations for the Fresh water and Oil heat exchangers.
Marine Rotary Staffs & Mounts (ARM-35)
304 stainless steel staffs and aluminum mounts.
Designed for up to 350 lbs each.
Marine Rotary Steel Flywheel (ARM-18F)
Steel Flywheel with Steel Ring Gear welded on.
Standard 9 hole bolt pattern that fits many marine drive plates.
Marine Rotary Bell Housing (ARM-18BH)
Marine Bell Housing A cast 6061 T6 Aluminum Bell Housing Designed for Rotary Engines.
The standard 6 bolt design allows it to be easily installed onto most standard marine drives.
Marine Rotary Starter
Marine Starter 12V Reduction starter.
For use with the Atkins Marine Bell housing.
Will not fit Rotary Power International or Rotary Power Marine bell housing.
Marine Rotary Standard Fresh Water Cooler
Water cooling, engine heat exchanger.
Includes a sacrificial zinc anode.
The water heat exchanger is made to fit on the Atkins Rotary Marine Mount.
Marine Rotary Oil Cooler Heat Exchanger
Oil cooling, engine heat exchanger.
Includes a sacrificial zinc anode.
The oil heat exchanger is made to fit on the Atkins Rotary Marine Mount.
Marine Rotary Heat Exchanger Hoses (ARM-16)
Marine Rotary Heat Exchanger Hoses
Hoses that fit the rotary engine to Atkins heat exchangers.
Please note that these are sold individually, 2 are required per engine.
Marine Sacrificial Rotary Marine Heat Exchanger Zinc Anodes (ARM-33)
Set of 2 Sacrificial Zinc Anodes.
One needed for the oil heat exchanger, and one needed for the water heat exchanger.
Should be changed about once per year.
74-91 Side Mount Alternator Kit (ARM-34)
Will not work for 1993 and newer rotary applications.
Will not fit 20B applications.
Aftermarket Side Mount Alternator Kit
Dave designed this to work in confined spaces, you will lose your A/C and power steering if this kit is used. Does not include an engine belt.Marine Rotary Engine Mount Kit (ARM-13)
Engine Mount Plate, Staffs, Mounts, & Misc. Hardware.
Kit to mount an engine in your boat.
Marine Drive Plate (ARM-070)
Atkins Rotary Marine Drive Plate
7.125" (7-1/8") across, 9 bolt holes.
Fits a 1.375", 26 splined shaft.
Marine 13B Stainless Steel Exhaust Manifold & Riser (ARM-29)
13B Stainless Steel Marine Exhaust Manifold & Riser.
One Rotor Marine Exhaust Manifold & Riser (ARE5212)
Water Cooled Custom Stainless Steel exhaust manifold and flange with gasket.
20B Marine Oil Pan
Out of stockFits 20B engine only.
Must be used with a 12A or 84-85 13B GSL-SE front cover.
Pan is 4" deep.
Throttle Cable Bracket (ARM-46)
Carburetor linkage plate is chrome plated and comes with brackets for throttle cables, plus top and bottom gaskets.
Mounting hardware is not included.
Suits Holley, Edelbrock, & Carter Carburetors.
Marine Rotary Aluminum Flywheel (ARM-18A)
Aluminum Flywheel with Steel Ring Gear
Standard 9 hole bolt pattern that fits many marine drive plates.