Mercury Marquis Carburetor Parts

Edelbrock part #12415 Fuel Bowl Inverted Flare Fitting is a 3/8″ inverted flare fuel inlet fitting. The fitting is designed for use with Holley 2300, 4150, 4150HP and 4160 (center hung floats only), 4500, 4500HP and Rochester Quadrajet applications up to

Product Features:

• Brass Material
• 3/8 in. Single Barb
• 7/8-20 in. Male End
• 5/8-18 in. Female Flare
• With 3/8 in. Tube

Xtreme Performance – Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They’re available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM’s. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!

Product Features:

• Aluminum Construction
• Saves 4.5 Pounds 38% Weight Savings
• Has A Set Screw In The Base Plate For Wide Open Throttle Stop
• Throttle Shafts Rides In Oil Smooth Throttle Actuation
• Metering Blocks/True Gasket Sealing/Fully Adjustable
• Contoured Venturi Inlet Balances Airflow For Increased hp
• Air Bleeds Moved Outward Allow Smoother Transition Of Airflow
• Metering Blocks Feature Durability True Gasket Sealing
• Idle Bypass Valve Eliminates Need For Holes In Throttle Plates
• Dual 30CC Accelerator Pumps Fuel From Idle To Full Throttle
• Fuel Bowls Provide 20% More Fuel Capacity Controls Slosh
• Clear Sight Windows For Easy/Safe Fuel Level Adjustments

Holley Double Pumper(R) carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile.

Product Features:

• Metering Blocks Base Plate For Good Looks True Gasket Sealing
• Optimized Street/Strip Calibration That Works Out Of The Box
• Factory Preset Electric Choke For Easy Startups
• Mechanical Secondaries For Awesome Tire Turning Performance
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments
• Aluminum Construction For A 43% Weight Savings
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

The Edelbrock #12605 Hardware Kit will fit carburetors with center hung fuel bowls and can be used as replacements or performance upgrades. Kit includes one locking screw, two gaskets and one O-ring. For use with Holley 2300, 4150, 4160, 4165, 4175 and 45

Product Features:

• Fits Holley® Carburetors With Center Hung Fuel Bowl
• Includes Adjusting Nut
• Includes Locking Screw
• Includes O-Ring
• Includes Washers

The Edelbrock #12605 Non-Adjustable Inlet Needle and Seat assembly will fit carburetors with center hung fuel bowls and can be used as replacements or performance upgrades. Kit includes one locking screw, two gaskets and one O-ring. For use with Holley 23

Product Features:

• Center Hung Floats
• 0.11 in. Needle Diameter
• Viton® Needle Material
• Sold Individually
• Non-Adjustable Type

Product Features:

• The Edelbrock #12602 Adjustable Inlet Needle and Seat assembly will fit Carburetors with center hung fuel bowls and can be used as replacements or performance upgrades.
• Kit includes one locking screw, two gaskets and one O-ring. For use with Holley 2300, 4150, 4160, 4165, 4175 and 4500 Series, Quick Fuel 4500, Professional Series and Q-Series, as well as various Demon Carburetors.

Product Features:

• The Edelbrock #12645 Single Stage 5.5 Hg Power Valve operates by using engine vacuum to control the opening and closing rate.
• During heavy load or under full power situations, they open to supply additional fuel to the main system to eliminate hesitation and bogging, ensuring the smooth delivery of power without any drivability concerns.

Product Features:

• The Edelbrock #12665 Single Stage 6.5 Hg Power Valve operates by using engine vacuum to control the opening and closing rate.
• During heavy load or under full power situations, they open to supply additional fuel to the main system to eliminate hesitation and bogging, ensuring the smooth delivery of power without any drivability concerns.

The Edelbrock #12403 Accelerator Pump Cam Kit Assortment Package of 8. These accelerator pump cams will have different shapes and profiles, allowing you to fine tune the accelerator pump’s performance to the engine’s requirements. Cam “lift” will directly

Product Features:

• Multi-Color
• Plastic Material
• Fits Holley® 2300, 4150, And 4160 Carburetors
• Set of 8
• Made In The USA

REPLACEMENT MAIN BODY KIT FOR 0-80457S

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Unsurpassed quality you can trust
• Validated for fit, form and function
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Unsurpassed quality you can trust
• Validated for fit, form and function
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Unsurpassed quality you can trust
• Validated for fit, form and function
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

The Edelbrock 94 #12458 Carburetor Jets .058″Intended for tuning the Edelbrock 94 carburetor, but will also fit original Holly 94’s and its later variations. Jets sold in pairs.

Product Features:

• 58 Maximum Jet Size
• 0.057 in. Orifice Diameter
• 1/14-32 in. Thread Size
• Standard Main Jet Type
• Set of 2

The Edelbrock 94 #12456 Carburetor Jets .056″ Intended for tuning the Edelbrock 94 carburetor, but will also fit original Holly 94’s and its later variations. Jets sold in pairs.

Product Features:

• 56 Maximum Jet Size
• 0.055 in. Orifice Diameter
• 1/14-32 in. Thread Size
• Standard Main Jet Type
• Set of 2

The Edelbrock 94 #12457 Carburetor Jets .057″Intended for tuning the Edelbrock 94 carburetor, but will also fit original Holly 94’s and its later variations. Jets sold in pairs.

Product Features:

• 57 Maximum Jet Size
• 0.056 in. Orifice Diameter
• 1/14-32 in. Thread Size
• Standard Main Jet Type
• Set of 2

The Edelbrock #12412 Vacuum Secondary Spring Kit includes 7 springs that will fit on Holley 4150, 4150HP, 4160 series and various Demon Carburetors.

Product Features:

• Steel Material
• For Holley® 4150, 4150HP, 4160; Demon King, Mighty, Race, Road, Sea, Speed; Barry Grant Claw
• Includes Lightest To Heavy
• Set of 7
• Made in The USA

Product Features:

• The Edelbrock Accelerator Pump Diaphragm 30cc Gasoline #12400 for 4150 Carburetors Proper installation is the responsibility of the installer.
• Improper installation will void your warranty and may result in poor performance and engine or vehicle damage