Availability
These stamped steel valve covers from Moroso are available in your choice of short or tall designs with a variety of breather locations. They are designed to fit everything from stock to Circle Track-oriented configurations. They're manufactured from high-quality steel with either a durable zinc plated finish or a 3-step chroming process, which guarantees the highest and longest-lasting shine possible. Most applications include two breather/filler cap grommets and one PCV grommet. Circle Track and other racing versions feature welded-on breather tubes in a variety of locations, with most including breathers.
( 39 )
$87.99
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$108.99
Moroso Perm-Align valve cover gaskets are manufactured from 30-durometer rubber, which is molded over and vulcanized to a rigid steel frame. They won't leak, blow out, or get sucked in, the way stock or inferior-quality aftermarket gaskets can. These gaskets feature superior-quality rubber and steel, which outlast cork-and-rubber composite designs to provide years of dependable service, especially if you frequently have to remove and reinstall the valve covers.
( 199 )
$56.99
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$92.99
Help your engine breathe better with Moroso valve cover filtered breathers. They are available in half-hooded styles for extra protection from dirt and debris, and non-hooded designs for when that added shielding isn't necessary. Both styles provide serious protection against dirt and airborne debris without restricting airflow. These breathers also come in either a push-in or clamp-on style; both are cleanable and reusable.
( 21 )
$65.99
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$110.99
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
Moroso Brodix SR20/Dart Pro-1 valve covers gaskets will help to protect cylinder head hardware from the elements and prevent oil from escaping the engine. These engine components are sold in pairs and are made of thick silicone-coated paper with a steel core. They are specifically designed to fit Big Block Chevy engines with Brodix SR20 or Dart Pro 1 20-degree heads.
Not Yet Reviewed
$77.99
Moroso one-piece push-in valve cover breathers are designed to drain oil trapped in their foam filter elements back into the valve covers, rather than allow it to drain out of the air vents or get into the air cleaner. These breathers are available in several colors and finishes. They'll fit all Moroso valve covers, as well as any other covers with a 1.22 in. hole. Some have 90 degree nipples to feed vapor into the air cleaner, and an installation grommet is included.
( 37 )
$57.99
Control the oil with Moroso valve cover baffle kits. These no-weld kits provide an easy way of adding a female AN fitting to steel or aluminum valve cover. And since there isn't any welding required, there is not the possibility of heat damage to the chrome or powdercoat finishes of your valve covers. Moroso valve cover baffle kits include hardware and O-ring, and are available in -8AN, -10AN, and -12AN female fittings.
Not Yet Reviewed
$55.99
Moroso 14 gauge aluminum valve cover breather baffles are designed to mount inside your Moroso valve covers under the breather hole. They'll keep oil from getting into the breather, which will increase the breather's life. They include all necessary mounting hardware.
( 10 )
$55.99
These valve cover stud kits from Moroso are designed to prevent valve covers from vibrating loose in competition. They're available in several styles to cover various applications.
( 15 )
$90.99
These Moroso extra long valve cover wing nuts are available in chrome plated steel or your choice of powdercoated or anodized aluminum colors. They include matching studs to eliminate gaskets alignment problems and to speed installation.
( 18 )
$50.99
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$56.99
Moroso valve spring compressor conversion kits are designed to fit a Jesel or T&D-type shaft mounted rocker arm system. They bolt to the Moroso valve spring compressor, to allow valve spring changes while the cylinder heads are still on the engine.
Not Yet Reviewed
$104.99
Designed just for racecars, Moroso's positive-locking valve cover breathers meet the rules for cars running 7.99 seconds and faster. They rely on threaded collars that mount on the inside of the valve covers, through the standard 1.22 in. opening, to provide secure attachment. They also have internal stainless steel baffling to keep oil and air separated. Jam nuts allow the breathers to be positioned in any way necessary to suit plumbing requirements, and Buna-N gaskets that are resistant to oil, alcohol, and race fuel are used to form an airtight seal. Mounting hardware is included.
( 15 )
$94.99
Moroso weld-in filtered breather kits contain two 1 3/8 in. O.D. aluminum breather tubes with internal baffling, two half-hooded filtered breathers, and two stainless steel hose clamps. Although they're specifically designed to weld onto Moroso aluminum valve covers, they can be adapted to fit other brands of aluminum covers as well.
( 2 )
$80.99
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 evacuation system valve cover adapter fittings are designed for the crankcase evacuation kits. They provide an easy way of adding a -12AN male fitting to OEM GM LS engines with an oil fill bung in the valve cover. Just remove the oil fill bung, screw in the fitting and tighten down with built-in hex nut.
( 1 )
$83.99
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$94.99
Moroso no-weld oil fill cap kits provide an easy way of adding an oil fill to a valve cover without welding. And, since no welding is required, there is no possibility of heat damage. They're constructed from 6061-T6 billet aluminum with an O-ring and a finger grip cap with a black anodized finish and the Moroso logo.
( 7 )
$69.99
Race proven Moroso tire pressure gauges are individually calibrated for accuracy within 2 percent. They feature a large-diameter dial face that is easy to read, and their hardened swivel chuck rotates a full 360 degrees for positive swivel attachment. Plus, the hose has a finger-operated air-bleed valve that allows you to release the pressure quickly and easily. With all of these great features, it's no wonder they're used by racers all over the country!
( 72 )
$68.99
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$109.99
Special Offer
Who said high quality and high performance can't be cost effective? Moroso Ultra ignition wire sets are equal to or exceed OEM specifications, depending on the application, without the dealer prices. Moroso has more than 50 years of experience in supplying spark plug wires to the top teams of NASCAR and NHRA, as well as auto manufacturers. These sets are available in different thicknesses and colors, assembled or not, with multiple boot end angles. Some models include high temperature sleeves. Order the ignition wires recommended for your application.
( 60 )
$50.99
Moroso Garage Series tire pressure gauges are perfect to check pressures around the garage where the accuracy of a track air pressure gauge isn't needed. They feature an easy-to-read 2 1/4 in. gauge face with a rubber gauge cover for added protection. These tools include a 16 in. hose with a finger-operated air-bleed valve that allows you to release pressure quickly. The gauges have an easy-to-grip angle chuck end that rotates 360 degrees for a positive valve stem attachment.
Not Yet Reviewed
$50.99
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$55.99
Special Offer
The new standard in ignition wires for racers on a budget! Moroso Ultra 40 unsleeved custom-fit ignition wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. Plus, their closely woven fiberglass, silicone-impregnated insulation provides up to 8,000 extra volts of protection. Features: * Kevlar® core that's four times stronger than Aramid cores * Class-leading 40 ohms of resistance per foot * Nickel copper alloy conductors for superior spark energy transfer * Extra-thick EPDM layer for greater dielectric strength * High-temperature silicone boots that can withstand heat up to 600 degrees * Locking stainless steel plug terminals
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$103.99
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$109.99
These Moroso Pro degree wheels are designed for the professional engine builder. They accurately measure camshaft centerline, valve timing, TDC, and BDC. Made from heavy-gauge metal with a silkscreen finish for long-lasting use, they include an adapter to fit virtually any engine.
( 40 )
$94.99
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 )
$85.99
Moroso spark plug air hose kits are designed to give you more clearance when using a compression tester or changing valve springs. They include a 12 in. air hose with 14mm and 18mm threaded adapters to fit the spark plug hole in the cylinder head.
( 10 )
$56.99
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
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