Availability
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 )
$93.99
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$110.99
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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$94.99
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 )
$91.32
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$108.99
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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$104.99
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 )
$69.99
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$100.99
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
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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$67.99
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 )
$57.99
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$92.99
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 analog gauges will fit any 1/8 in. NPT male fitting and offer excellent vibration and shock resistance. If you need to monitor the high oil pressures of your racing application or determine the vacuum in your engine, Moroso analog gauges deliver performance and accuracy.
( 8 )
$50.99
Moroso breather tanks are great for low vacuum venting. They're offered in a choice of sizes to suit your application needs, and may be modified for additional fitting for dual vent hoses. These high-strength, lightweight aluminum breather tanks feature a 2 in. breather filter mounted on top and an aluminum bottom drain fitting and ball valve.
( 110 )
$57.99
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$84.99
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
These Moroso crankshaft pulleys reduce parasitic loss through more efficient power transfer. They feature an improved tooth geometry that also provides positive belt engagement to increase load capacity and reduce wear, noise, and vibration. They're ideal for driving dry sump pumps, vacuum pumps, and other engine accessories. Their billet aluminum construction with a blue hard-coat anodized finish extends service life.
( 3 )
$60.99
Moroso ignition control modules provide high-output consistent dwell, accurate timing, extended durability, and high spark output. Whether you're looking for OEM replacement or high performance gear, Moroso has you covered.
Not Yet Reviewed
$86.99
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