Get an exact fit for your

Mercury Custom

Choose Year
Choose Make
Choose Model

Select Inlet Fitting

All

18

1/4" NPT

6

3/8" NPT

5

-10 AN

1

-6 AN

1

-8 AN

1

1/2" NPT

1

18 products

Clear All

Fitment

Mercury Custom

Category

Air and Fuel Delivery

Subcategory

Fuel Pumps, Regulators, Sending Units

Part

Fuel Line Junction Blocks

Products

Related Articles

Mick's 1950 Mercury Custom

Mick's 1950 Mercury Custom

Read More

Mick Rau has a garage full of cool cars, but this Hirohata-inspired Merc is a standout.

How to Paint Engine Blocks- Complete Guide

How to Paint Engine Blocks- Complete Guide

Read More

Make Your Engine Stand Out with These Engine Block Painting Tips

How To Replicate LS Engine Dimensions with a Steel LS Mock Up Block

How To Replicate LS Engine Dimensions with a Steel LS Mock Up Block

Read More

The new Steel LS Mock Up Block from Speedway Motors makes it easy to fab mounts and check clearances while LS swapping your car.

Fuel Tank Sealing

Fuel Tank Sealing

Read More

How to clean and seal your old tank

Replacing Fuel Sending Unit

Replacing Fuel Sending Unit

Read More

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

Alternator Bracket Install on a 454 Big Block Chevy

Alternator Bracket Install on a 454 Big Block Chevy

Read More

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Fuel Expansion Issues

Fuel Expansion Issues

Read More

In this Tech Tip, John offers up a couple solutions to a somewhat common problem of fuel expansion on the older vehicles.

Custom Battery Box and Cables

Custom Battery Box and Cables

Read More

Speedway Motors employee Jess M. talks about the custom battery tray and cables she built for her '33 Ford.

Showing all 18 results

Popular Parts

Mercury Custom Fuel Filter ElementsMercury Custom Fuel Pressure RegulatorsMercury Custom Fuel Filter BracketsMercury Custom Fuel Level Control UnitsMercury Custom Fuel Shutoff ValvesMercury Custom Electric Fuel PumpsMercury Custom Carburetor Fuel Inlet FittingsMercury Custom Fuel Sending UnitsMercury Custom Fuel Pump Push RodsMercury Custom Fuel Pump Mounts And BracketsMercury Custom Fuel LinesMercury Custom Fuel Vents And BreathersMercury Custom Carburetor Fuel LogsMercury Custom Mechanical Fuel PumpsMercury Custom Fuel FiltersMercury Custom Fuel Pump Installation KitsMercury Custom Fuel Sending Unit Lock RingsMercury Custom Fuel Pump Block Off Plates
Customer Impersonation Script