Holley HP, dominator 4500/80340-2/1050 cfm/gas marine carburetor, U.S. Coast Guard approved "J" vent tubes, mechanical secondary, 2 circuit, 50cc accelerator pumps, 4 corner idle, jet extensions with notched nitrophyl secondary float for hard rapid acceleration, tygon seals on the idle mixture screws, was totally disassembled, vibratory cleaned and polished in a filtered soap and water solution, thoroughly gone over, bottom of the base mounting flange has been resurfaced, new gaskets with new reusable non stick bowl and metering block gaskets, new accelerator pump diaphragms, floats are set, tuning calibrations are pre-set, fuel inlets are installed and pressure tested, mounting gasket is included, this carb. is a total rebuild, in like new condition, and ready to install. All parts are polished or plated, no paint or powder coating, base gasket is included, Ships worldwide, These marine/4500's sell for over $2000.00 new and are now hard to find, Check out my feedback. This is an actual photo of the carb. listed. #38