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Since 1968, Moroso has been a trusted name in the performance industry. In the beginning, Moroso components were specifically built by racers for racers. Today, Moroso...
Since 1968, Moroso has been a trusted name in the performance industry. In the beginning, Moroso components were specifically built by racers for racers. Today, Moroso manufactures performance parts for everything from stock street machines to NASCAR and NHRA/IHRA vehicles. Moroso offers a wide selection of chassis and suspension equipment, oiling systems and accessories, ignition components, fuel system components, and many more parts designed with one goal—performance!
Since 1968, Moroso has been a trusted name in the performance industry. In the beginning, Moroso components were specifically built by racers for racers. Today, Moroso manufactures performance parts for everything from stock street machines to NASCAR and NHRA/IHRA vehicles. Moroso offers a wide selection of chassis and suspension equipment, oiling systems and accessories, ignition components, fuel system components, and many more parts designed with one goal—performance!
Showing In Stock Items. Show All 21 Items.
Moroso offers manifold filler necks in a variety of styles, materials, and finishes—for applications from 1955 and up. These replacements locate the filler at the highest point to bleed off air on cars with low-mount radiators. The filler necks can be located on either the left or right side of the vehicle. They include 1/2 in. NPT fittings for the installation of a water temperature sending unit, and two 1/4 in. NPT fittings for return lines on popular aftermarket cylinder heads.
( 20 )
$46.99
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$149.99
These Moroso water neck bleeder kits allow you to remove air pockets from your cooling system. They include a filler neck housing with a 90 degree outlet for the upper radiator hose, an aluminum bleeder plate with a petcock valve, two mounting gaskets, and mounting hardware. The Moroso water neck bleeder kits can also be used with Moroso's expansion tanks for maximum cooling performance.
( 4 )
$47.99
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$143.99
Moroso billet aluminum filler necks allow you to install a variety of bolt-on style filler necks or block-off plates, offering cooling system flexibility for both race and street applications. The base locates the filler neck at the highest point, to bleed off air on cars with low-mount radiators. They include a machined port for installing a water temperature sending unit, and two ports to plumb return lines on popular aftermarket heads. And, to give you versatile mounting options--these filler necks can be flipped 180 degrees for either a left or right water hose outlet location.
( 9 )
$54.36
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$104.99
Want to keep your high performance engine running prime? Moroso radiator filler necks are suitable for any competition or high performance street application. These radiator filler necks are offered in either billet aluminum or stamped aluminum to suit your needs, and are designed to accept a standard size radiator cap. (Not included)
Not Yet Reviewed
$35.99
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$49.99
Moroso water outlet necks are one-piece billet aluminum designs. Most are clear anodized, but all include stainless steel mounting hardware. The filler necks also come with O-rings or gaskets as required. Select the model designed for your engine application.
Not Yet Reviewed
$48.99
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$55.99
Moroso remote thermostat housings locate the filler neck at the highest point of cars with low mount radiators to bleed air. These housings can be flipped 180 degrees for either a left or right outlet location.
( 3 )
$109.99
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$113.99
Moroso water neck block-off plates can provide an ideal base to drill or weld your own fitting in place. They are made of aluminum and have two pre-drilled mounting holes to ensure a perfect fit to the intake manifold. The plates include a new gasket and will fit Chevrolet V8 engines.
( 4 )
$20.99
Moroso water neck gaskets provide a great seal for your water neck or thermostat housing. The gaskets are manufactured from high-quality fiber material. Moroso water neck gaskets are available for small block and big block Chevrolet engines that utilize a water neck that does not require and O-ring. Order the Moroso water neck gasket suited to fit your application.
Not Yet Reviewed
$9.99
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$20.99
Moroso thermostat spacers make fixing fitment issues a snap. The billet aluminum spacers raise the thermostat and add ports for water lines to the cylinder heads. The machined O-ring groove on the intake side ensures an excellent seal making installation easy and headache-free.
( 7 )
$48.99
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$49.99
Moroso remote thermostat housing mounting brackets are beautiful supports. Designed to mount their remote thermostat housings, they are manufactured from 6061 T-6 aluminum to be strong and good looking.
Not Yet Reviewed
$60.99
These expansion tanks are perfect for cars with low-mount radiators to provide a convenient filling location and to bleed off unwanted air. Versions are now available with rugged 6061-T6 billet aluminum filler necks welded to the tank to withstand the continuous removal and installation of the cap. They're 100 percent pressure- tested to eliminate leaks, and they accept a standard-size radiator cap (not included).
( 104 )
$80.99
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$538.99
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 )
$17.99
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$23.80
The nation's top engine builders rely on Moroso racing oil pumps because of their superior design and ability to provide consistent oil flow. They're designed to handle the extra demand required from higher engine speeds. Special anti-cavitation slots, feeder grooves, and an enlarged bypass area are machined into the housing to bleed oil back to the inlet side of the pump. They feature proprietary cast housings fitted with precision-machined gears and a precision-ground shaft for outstanding oil delivery. Each pump is 100 percent pressure-tested to stringent quality control specifications to ensure that the pump you receive will perform flawlessly.
( 8 )
$133.99
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$157.99
These high-pressure Moroso caps fit standard-size radiator filler necks and increase the boiling point to improve heat transfer. They have a solid brass spring retainer and a stainless steel spring that maintain an accurate pressure setting over time and will not rust.
( 37 )
$21.99
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$24.99
Moroso EFI fuel return line kits will allow you to convert to fuel injection without welding a return line or fitting into the gas tank. Just cut a 2.75 in. section out of any 2 in. fuel tank filler tube neck, and insert the billet aluminum adapter. Use the included Buna-N sleeves and four stainless steel hose clamps to seal the connection on each end of the adapter. They include a 3/8 in. aluminum fitting with a smooth 90 degree bend to direct fuel downward into the tank.
( 19 )
$69.99
Moroso universal dual coolant expansion and recovery tanks are available in raw aluminum or with a black wrinkle powdercoat finish. Installation is simplified and each features an integrated mounting bracket and allow simple installation. Select the finish preferred. Expansion tank section features: * 1 1/4 qt. capacity * 2 in. NPT female fitting on bottom of the tank * 3/8 in. NPT female fitting on the side * Billet radiator filler neck -- Accepts Moroso radiator caps or standard size radiator caps Recovery tank section features: * 1 qt. capacity * Internal siphon tube -- Allows coolant to recirculate from recovery tank back into expansion tank * 3/8 in. NPT female fitting with ball valve on bottom of the tank
( 3 )
$237.99
Moroso supercharger fuel tank cap kits contain the parts necessary to replace broken or missing fuel cap style caps in Moroso or other tanks with this style of cap and neck. Kit can also be used when you're producing a custom tank. The kit includes a black fuel cap, neck, gasket, hardware, and bonded sealing washers (black cap can be used to change out red caps).
( 1 )
$100.99
Moroso carburetor-top tool trays are made from lightweight, durable, .063 in. aluminum for 5 1/8 in. or 7 5/16 in. neck flange diameter carburetors. They sit just 2 1/2 in. above the carburetor and feature a convenient handle, a 1/8 in. rubber mat, 16 spark plug holders, 8 plug wire holders, and enough room to store a variety of tools for working on just about any engine.
Not Yet Reviewed
$152.99
Moroso air cleaners are available in a wide variety of materials and finishes to upgrade or accent your engine compartment. They're designed to fit carburetors with a 5 1/8 in. diameter neck flange. Each air cleaner includes a PCV adapter and a matching wing nut.
( 16 )
$92.99
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$155.99
Mororo intercooler tanks are direct bolt-in replacements for the factory tanks. They feature increased capacity and are manufactured from fabricated aluminum for maximum strength. The tanks also include a billet aluminum filler neck, Moroso racing cap in the stock pressure range, and integral billet aluminum hose fittings.
( 6 )
$220.99
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$432.20
Moroso offers a variety of power steering tanks. They are manufactured from high-grade aluminum and are available in several styles and sizes to suit your racing needs. Help out your power steering with one of these Moroso power steering tanks.
( 43 )
$183.99
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