Availability
Moroso fuel bowl screw gaskets are nearly indestructible nylon replacement washers. They are unaffected by fuel, and won't leak or break down under normal usage. That's why they're the ultimate cure for your soft, deteriorating, Holley float bowl washers.
( 9 )
$14.99
Moroso hex head fuel bowl screws allow for easier removal of the fuel bowl. They're designed for Holley 4150/4160 and 4500 series carburetors, come in packs of four, and are 2 1/2 in. long.
( 5 )
$15.99
Moroso fuel pump block-off plates are designed to block-off the fuel pump mounting boss when a mechanical fuel pump is not being used. These plates are made of anodized blue aluminum or high-luster triple chrome plated steel.
( 60 )
$20.99
Moroso fuel pump springs are designed to increase the pressure of your Holley electric fuel pump. They are made of high-strength stainless steel and will increase pressure over stock. The springs will also increase overall fuel volume while maintaining your fuel pump's reliability.
( 1 )
$11.99
Moroso fuel pump gaskets are manufactured from a high-quality fiber material to give you a leak-proof seal. Available for small and big block applications, they can be used as replacements for their fuel pump block-off plates or mechanical fuel pumps. Moroso gaskets can be purchased individually or in packs of 10.
( 3 )
$10.99
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$17.99
Moroso replacement fuel filters are elements designed to be used with Moroso fuel filters. Keep your system clean by using these filters for quick and easy maintenance of your fuel system. A 40-micron stainless steel filter element is utilized. The durable, lightweight housing is compatible with either gasoline or alcohol racing fuels.NOTE: Not recommended for high-pressure fuel injection systems.
Not Yet Reviewed
$21.99
Moroso clear-view sight plugs allow you to check the float bowl level without removing the plug and spilling fuel. After setting float bowl level, replace clear sight screws with original bung plugs.
( 48 )
$11.99
Upgraded Moroso reusable Buna-N Holley float bowl gaskets are made of Buna rubber and are designed to replace your standard float bowl gaskets. They transform jet changing into an easy process with no worries of ripped gaskets.
( 9 )
$14.99
Protect your coil from moisture and debris with Moroso ignition coil covers. Moisture is the enemy of ignition coils—it causes corrosion with can rob the coil of spark and performance. These covers are designed to keep the elements away from the coil, extending its life and helping ensure its performance. Moroso ignition coil covers are the perfect replacement if your original gets damaged.
( 1 )
$21.99
Moroso fuel pressure gauge fittings have a 1/8 in. NPT hole for easy plumbing to your fuel pressure gauge line. These fittings save wear and tear on carburetor inlet fittings by allowing for the quick and easy disconnection of the fuel line.
( 17 )
$20.15
—
$21.99
Moroso carburetor caps keep dust and other materials out of carburetors during storage and transportation. They are manufactured from durable, high impact plastic and include the thumbscrew.
( 26 )
$15.99
Moroso Holley jet extensions reposition jets farther back into the fuel bowl to eliminate fuel starvation. They screw into the metering block--so they won't fall out. These extensions are CNC-machined for precise fit and maximum fuel flow.
Not Yet Reviewed
$20.99
Moroso throttle return springs can solve your linkage problems. Designed and built with precision, they are rugged enough for competition use. Moroso throttle return springs will be your reliable riding companions for years to come.
( 4 )
$12.99
—
$15.99
Moroso reusable Buna-N Holley metering block gaskets for Holley 4150/4160 series carburetors are made from high-grade Buna-N compound with an anti-wicking nylon backing They are for use with alcohol or racing gasoline blocks. These gaskets can be used over and over.
( 8 )
$20.99
Moroso carburetor linkage bushing sets allow the fitting of a 1/4 in. fastener to the 1/2 in. diameter hole found in the throttle linkage plate of Holley 4-barrel carburetors. Their split-bushing design permits simple installation and eliminates the sloppiness present when rubber bushings are used.
( 10 )
$14.99
These "bullet nose" Moroso carburetor studs are rounded on one end, making it easier to start nuts. They are made from chromoly and have a black finish. The kits include 4 studs, hardened flat washers, and jam nuts.
( 5 )
$16.99
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$20.99
Moroso secondary linkage kits will provide a 1:1 ratio secondary linkage operation. You'll have adjustable secondaries for your Holley carburetor.
( 1 )
$20.99
Moroso convenient vacuum line cap kits provide a quick, sure way to seal vacuum line connections at carburetors, manifolds, etc., when the lines have been removed. They consist of color-coded soft plastic caps.
( 1 )
$11.99
—
$15.99
Moroso Holley needle and seat hardware kits contain all of the necessary replacement hardware that you will need. Each kit contains one needle and seat adjusting screw, nut, and O-ring, as well as one screw gasket and one nut gasket.
( 1 )
$12.99
Moroso air cleaner stud adapters allow the use of air cleaners with a 1/4 in. stud and wing nut on carburetors with a 5/16 in. mounting hole. They are manufactured from steel and feature a clear, zinc plated finish to help resist corrosion. Don't leave your carburetor without an air filter--use one of these Moroso air cleaner stud adapters to mount your air cleaner assembly and keep it running cleanly.
( 1 )
$12.99
Keep your carburetor working like new with these Holley accelerator pump diaphragms from Moroso. They have 30cc and 50cc applications are available.
Not Yet Reviewed
$12.99
These handy Moroso NPT to hose barb fittings are made of brass and are designed to allow easy fuel line installation on electric fuel pumps and regulators when using rubber fuel line. They have a male NPT fitting on one end and a barbed fitting on the other end and they're available in different sizes to fit your needs.
( 42 )
$12.99
—
$18.99
Now you don't have to spill fuel all over the engine when removing fuel-bowl screws to service Holley carburetors. Moroso carburetor drain cups use a special channeled handle to catch dripping fuel and direct it into the holding cup. They are made from fuel resistant polyethylene
( 7 )
$17.99
Moroso carburetor base gaskets are an excellent way to create a leak-free seal. These race-quality carburetor gaskets are precision die-cut from a cellulose composition that conforms to its mating surface and will stand up to pump gasoline, race fuels, and alcohol. Seal your Moroso carburetor adapter or spacer to an intake or carburetor with their premium gaskets.
( 1 )
$11.99
—
$20.99
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