Custom built Mercury 525 EFI upgraded to 570HP. When we build these engines in our facility, we increase the bore and do minor head porting adding an extra 45HP without changing the original mercury E..
Cobra Power 1200 HP Supercharged Engines These engines are the ideal replacement for Mercury 1075's. Cobra 1200's offer performance and reliability second to none. We have over THIRTY years experience..
Cobra Power is the industry leader for rebuilding Mercury 850's and 1075's. When we rebuild the 1075 we increase the bore but lower the compression ratio resulting in ZERO horsepower loss,theres actu..
653CI MERLIN SUPER TALL DECK BIG CHIEF ALUM HEADS 1471 SUPER CHARGER NEW WHIPPLE INTERCOOLERS JESSEL ROCKER & BELT SYSTEMS DUAL STAGE SEA PUMPS MSD IGNITION 1200FT/LBS BIG TORQUE.1100HP pump gas fuel...
These motors are available to purchase.. Barely 40 hours on these motors since COMPLETELY freshened with the paperwork to prove it !! Engines Are running perfect right now and are still in the boat an..
Complete with all Accessories and Harness Description: Gen VI Block sonic checked and bored to 4.5313zz502 crank ARP main and head studs Clevite main bearings.003 clearance, Clevite Rod bearings.0025 ..
AWSOME 502 MARINE MOTOR WITH 550 HP. REBUILT SHORT BLOCK WITH NEW ALUMINUM HEADS, NEW ROLLER CAM AND ROCKERS, NEW INTAKE WITH An 850 CARB.NEW MDS DISTRIBUTOR AND 9:1 COMPRESSION. A GREAT DEAL AT 6900...
Just arrived from Mercury. We have two Mercury 700 SCi long blocks. Mercury is out of stock. We aren't. If you have a hurt motor and want to go boating or if you have tired motors and are thinking of ..
Brand new engine, dyno time only. Built by Young Performance Marine. Scat 4340 crank and rods, JE pistons, Brodix BB2X heads, MEFI 4, extrude honed intake, new Whipple supercharger, CMI headers and ta..
575sci motor up for sale. Has everything you see in pics. Leak down test done. Motor ran strong before it was pulled from boat. All stock no issues. Well taken care of. Fresh water only never been in ..