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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!
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Built for racers and engine builders who craved the performance, Moroso racing vacuum pumps are manufactured from billet aluminum and feature a precision-machined shaft, rotor, and bearings that will withstand the rigors of racing. They work by producing high crankcase vacuum, which increases power by improving ring seal, preventing blowby, and detonation. Allowing the use of lower-tension piston rings for less friction. These positive pumps are much more consistent and effective than header-mounted evacuation systems.
( 5 )
$785.99
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$1,446.99
Moroso vacuum pump/dry sump pump drive kits are designed to accommodate almost any race engine combination. These steel mandrels bolt directly onto the hub or balancer to provide rigid pulley mounting.
( 19 )
$240.99
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$425.99
Moroso vacuum pump regulators are manufactured from 6061 billet aluminum and have a smooth finish to add a bit of dress-up under the hood. The valves can be disassembled for easy cleaning, and will work with any vacuum level. The vacuum relief point is adjustable by shimming an internal spring to get the amount of vacuum desired.
( 1 )
$230.99
Moroso vacuum pump service kits furnish various parts you need to rebuild your pump. These kits are available for the original-style, as well as the new, enhanced version pumps—and are available for both 3- and 4-vane vacuum pump applications.
( 4 )
$100.99
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$264.99
Moroso competition-style vacuum pump V-belt pulleys bolt directly onto OEM, Holley, and other smog pumps used as engine vacuum pumps to improve ring seal. Their deep V-groove design ensures belt retention under all racing conditions. They're machined with six holes to reduce weight, and they use the stock mounting pattern.
( 3 )
$103.99
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$110.99
Moroso vacuum pump mounting brackets are a great way to eliminate the difficulties of vacuum pump installation. Designed to fit Moroso original or enhanced design vacuum pumps, they come available for a variety of engines and mounting locations.
( 3 )
$93.99
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$171.99
Moroso has done it again with these alternator and vacuum pump mounting bracket kits. They feature two separate mounts incorporated into one billet aluminum frame, with belt adjustment for both the alternator and the vacuum pump. Specifically designed for use with an electric water pump, the Moroso alternator and vacuum pump mounting bracket kits eliminate the need for any other types of bracketry. They come available for Moroso, CSR Performance, and Meziere electric water pumps. All mounting hardware and spacers are included, so they will install with most old and new-style drive mandrel kits.
( 2 )
$456.99
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$524.99
Choosing your desired vacuum level to optimize performance is easier with Moroso billet aluminum adjustable vacuum relief valves. They have vacuum relief points that adjust with the turn of a built-in knob so you get the precise amount of vacuum you want. Plus, tightening the integral locknut keeps the adjustment locked until you change it. Able to work with any vacuum level, these vacuum relief valves are crafted from 6061 aluminum with a smooth, attractive finish and can be disassembled for easy cleaning and maintenance. Get the right performance for the right horsepower with Moroso billet aluminum adjustable vacuum relief valves.
( 9 )
$84.99
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$208.99
Moroso vacuum pump line kits are designed to connect your vacuum pump to your valve cover. They include 6 ft. of steel reinforced hose, two 90 degree -12 AN fittings, and two straight -12 AN fittings. Tired of clogging hose on your vacuum pump? Try one of these Moroso vacuum pump line kits to eliminate any chance of a problem.
( 1 )
$180.99
Moroso competition-style vacuum pump gilmer drive pulleys bolt directly onto OEM, Holley, and other smog pumps used as engine vacuum pumps to improve ring seal. They're machined from aluminum to reduce weight and use the common 3 x 1.313 in. mounting pattern.
Not Yet Reviewed
$140.99
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$175.99
Moroso vacuum pump lines are designed as replacements for those in your Moroso vacuum pump line kit. These lines are constructed from durable steel reinforced hose.
( 1 )
$65.99
Moroso offers a wide range of vacuum pump/dry sump pump drive kit components—including various brackets, belt guides, hardware, collars, hubs, mandrels, pulleys, and more. Each OE-style replacement part is designed for specific applications. They're made from original materials and specs to ensure correct fit and optimum performance.
Not Yet Reviewed
$29.99
These Moroso vacuum pump radius tooth pulleys are designed to work more efficiently and take less power to drive your vacuum pump. They use a .500 in. wide drive belt, and with a wide variety of drive pulley sizes, any drive ratio you may need is achievable. The Moroso vacuum pump radius tooth pulleys fit any 1 in. mandrel with a 1/8 in. keyway slot. They are manufactured from aluminum and then black anodized for protection against corrosion .
( 2 )
$58.99
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$131.99
Moroso drive mandrel spacer kits aid you in pulley alignment for your SBC applications. They maintain the register of the mandrel when using a 1/4 in. thick crank trigger. Spacers are constructed of stress-proof steel with a black oxide finish, and come with a 1/4 in. longer crankshaft bolt.
( 1 )
$28.99
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$92.99
Keep your accessory drive belts running straight and true with Moroso's drive belt guides. Made from durable 6061-T6 aluminum, the 0.062 in. thick guides are available in multiple sizes to suit most applications. Moroso belt guides feature a 1 in. center with a 1/8 in. keyway .
( 2 )
$18.99
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$31.99
Moroso has developed alternator mount kits and drive kits for small and big block Chevrolets using electric water pumps or water pump drive kits. They include all hardware needed to mount old-style Delco alternators to the driver side of the engine, are crankshaft-mounted, and designed with spacers that can be replaced with pulleys to drive other accessories, such as external oil pumps.
Not Yet Reviewed
$298.99
Moroso vacuum pump fittings are designed to fit Moroso's racing vacuum pumps. These fittings are made from aluminum and have a black or blue anodized finish. They feature a male O-ring that screws into the vacuum pump, and male threads for standard AN hose sizing.
( 9 )
$48.99
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$100.99
Moroso vacuum pump air/oil separators are used as remote separators and filters on vacuum pump systems. They're designed to be plumbed between your valve cover and the inlet side of your vacuum pump. These separator tanks are made from aluminum and feature a natural finish with a Moroso decal. The universal separators feature internal baffling with mesh media. The O-ringed drain bung and is made from billet aluminum that can be polished, chromed, or powdercoated. Custom or universal, Moroso vacuum pump air/oil separators will work efficiently to increase engine performance.
( 4 )
$177.99
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$228.66
Moroso is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. These vacuum pump mounting hardware kits are designed specifically to secure Moroso pump models to the engine. The screws, standoffs, washers, and other accessories are machined from materials selected to withstand the rigorous demands of racing. Order the mounting hardware for your application needs.
Not Yet Reviewed
$56.99
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 )
$60.99
Moroso aluminum Tri-Lobe dry sump oil pumps have been developed with their decades of oiling system expertise to provide you with a lighter, better performing design that will save weight and make more crankcase vacuum. They feature Tri-lobe aluminum scavenge sections with individual timing gears to ensure proper clearance at the highest rpm. The pumps use a spur gear pressure section based on Moroso's highly successful billet wet sump pump design, and variable spring rates optimize your oil pressure for smooth, reliable oil pressure readings. Moroso Tri-Lobe dry sump oil pumps have multiple -12, or -16 AN scavenge outlet options, weigh about half as much as gerotor pumps, and take up to 40 percent less power to drive.
( 2 )
$1,147.99
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$3,371.99
Moroso dry sump oil pumps are the safest, most dependable oiling systems available. They're popular in all forms of racing, especially where low chassis height is important for good handling. Horsepower gain is maximized because there is virtually no oil in the pan and no internal pump, allowing the windage tray or screen to run the full length of the pan. Other advantages of a dry sump system include a remotely mounted oil tank for increased capacity, the ability to easily add remote oil coolers, more consistent oil pressure, adjustable oil pressure, improved scavenging, and increased ring seal due to greater pan vacuum. Brackets are included.
Not Yet Reviewed
$1,986.99
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$2,451.99
Moroso dry sump breather tanks allow a place for air to escape to the atmosphere. They're designed to be used as a remote breather and oil separator on dry sump tanks and rear axle housings. They have -12AN fittings to simplify plumbing, can be mounted to any panel with included mounting straps, and come complete with a filtered breather and draincock. A perfect companion for Moroso's Racing vacuum pumps or dry sumps, these tanks are all-aluminum and lightweight.
( 3 )
$146.99
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$505.99
Moroso power valve testers are designed to check your power valve for any failures that may cause flooding of the fuel system. They are CNC-machined from billet aluminum and blue anodized for durability. The testers feature a cut-away section where you can visually inspect the operation of the power valve. They require the use of a hand-operated vacuum pump to function correctly.
( 13 )
$62.99
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