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Holley replacement power valves are an important component in the power enrichment circuit of Holley's performance carburetors. They operate by using engine vacuum to control their opening and closing rate. When they open, additional fuel is supplied to the main system during heavy load or under full power situations to eliminate hesitation and bogging--ensuring the smooth delivery of power without any drivability concerns. They're available in many different vacuum ranges to time the system's operation to your specific requirements, and they come in your choice of single-stage, two-stage, and high-flow designs. A gasket is included.
( 131 )
$15.88
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$19.60
$14.29
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$17.64
On Sale
Holley carburetor accelerator pump check valves are made to fit most Holleys using a 30cc or 50cc accelerator pump. They feature the "umbrella" design most commonly used in performance-style carburetors.
( 10 )
$18.99
$17.09
On Sale
These Quick Fuel FOUR DOOR power valves feature an exclusive in-house design that has become the preference of professional race teams in virtually every circuit where carburetors are used. They have a greater flow capacity, a quicker response rate, and tighter limit bands that allow engine builders to precisely tune the power enrichment phase of their calibration. All Quick Fuel FOUR DOOR power valves are hand-tested and set to the stamped value. Their thicker molded diaphragm adds increased protection against backfire-induced rupture.
( 51 )
$13.97
$12.57
On Sale
Chrome plated for beauty and durability, these Y-wing bolts from Mr. Gasket make valve cover removal fast and easy. They are precision-engineered and feature extra-long threads.
( 23 )
$18.34
$16.51
On Sale
Mr. Gasket flat black valve cover breathers add a stealth appearance to your engine compartment. They are available with or without a PCV fitting and offer a fast and easy way to customize your under-the-hood look.
( 18 )
$27.37
$15.05
On Sale
Chrome plated for beauty and durability, these Mr. Gasket wing bolts make valve cover removal fast and easy. They are precision-engineered and feature extra-long threads to accommodate extra-thick valve cover gaskets or hold-down clamps.
( 5 )
$22.94
$20.65
On Sale
Add a little pizzazz to your engine with Mr. Gasket chrome valve cover breathers. These custom chrome breathers keep your crankcase properly vented and add a little shine under the hood. Mr. Gasket valve cover breathers are available in push-on or push-in styles.
( 47 )
$17.19
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$26.70
$15.47
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$17.36
On Sale
APR offers valve stem caps to upgrade your original plastic caps. These replacement sets are machined from aluminum and anodized in your choice of a silver, black, or gunmetal finish. Each cap features a hex head design with the APR logo engraved on the face.
( 7 )
$14.95
$13.46
On Sale
Help prevent oil leakage from stamped valve covers with Mr. Gasket valve cover hold-downs tabs. These steel hold-down tabs allow you to tighten down covers and help prevent bending the flange while spreading the load across a larger area. They're available in a variety of sizes and finishes.
( 8 )
$20.80
$11.44
On Sale
These steel valve cover clamps from Mr. Gasket help distribute bolt pressure more evenly, for better sealing. They're available in several styles, and some come with bolts.
( 3 )
$17.19
$15.47
On Sale
Trail-Gear brake proportioning valve relocation brackets move your valve to a higher position. Lifting your rig causes the brake proportioning valve to improperly sense loads. These bracket kits raise your valve higher so it can correctly sense axle loads and send the right amount of pressure to your brakes. Resolve potentially dangerous braking situations with the help of brake proportioning valve relocation bracket kits from Trail-Gear.
( 1 )
$19.99
$16.99
On Sale
These Vortech bypass valve gaskets are designed to keep a good seal on your bypass valve flange. They are made from quality materials and come available for different bypass valve configurations.
( 3 )
$19.99
$17.99
On Sale
Hot headers and crossfire can create havoc with your ignition wires. Mr. Gasket has the solution in these wire loom and separator kits! These high-quality kits are designed to lift and separate your wires, helping to keep them organized and protected from damage.
( 12 )
$17.23
$15.51
On Sale
Add a professional, finished look to your engine compartment with these Mr. Gasket filler tubes. These filler tubes are constructed of steel and are chrome plated to a brilliant shine.
( 5 )
$29.45
$16.20
On Sale
ACCEL Super Coils are engineered for a faster rise time and a longer spark duration. They produce higher spark energy for increased performance. These coils are available for a wide variety of specific engine applications. Order the set designed for your make and model.
( 805 )
$27.13
$20.35
On Sale
Foggit High Performance Fogging Oil coats internal components inside your engine that can begin to form surface rust in as little as a few days without protection. This unique formula was developed to protect cylinder walls from the damage surface rust can cause to piston rings, valves, and other components. It not only protects internal surfaces from corrosion, but also lubricates cylinders to help prevent damage when starting after storage. Foggit protects your engine by displacing moisture from metal to prevent corrosion on all 2- and 4-cycle carbureted and fuel-injected engines. The aerosol product creates a protective coating on surfaces deep into the engine and with easy application. One 12 oz. can contains about 30 applications, depending on use.
( 3 )
$20.00
$18.00
On Sale
Mr. Gasket rocker arm oil deflector clips keep hot engine oil off of you and your exhaust system by deflecting it down into your rocker arm assembly. This allows you to adjust your valves while your engine is running. They're designed to fit hollow feed-through type pushrods.
( 36 )
$22.64
$20.38
On Sale
These custom wire loom kits from Mr. Gasket were designed to eliminate crossfiring and prevent heat damage to ignition wires, while giving them a neat and custom look. Made from heat-resistant black plastic, the wire divider clips to a chrome plated steel bracket. This can be attached to the valve cover, while the wire separator is placed into the ignition wires, keeping them equally spaced. These kits will accommodate 7 to 8mm ignition wires, and include two 4-hole wire separators, eight 2-hole wire dividers, and four chrome plated steel brackets.
( 2 )
$25.95
$14.27
On Sale
Holley pioneered carburetors, so who better to clean them? Over time, carburetor internals and choke valves can accumulate gum, varnish, and dirt, reducing drivability and fuel efficiency. Holley Carburetor and Throttle Body Cleaner removes these deposits, restoring easy cold starts, smooth idle, and improved throttle response. It excels at cleaning throttle bodies and plates, carb linkages, PCV valves, heat risers, and other small engine components. Holley Carburetor and Throttle Body Cleaner's powerful formula dissolves grease and grime, often with no disassembly required. The formula is low VOC, so it's tough on deposits, but easy on delicate components including sensors and electronic chokes.
( 1 )
$11.79
$10.61
On Sale
In and out of the water? Trail-Gear axle housing breathers feature an internal spring-loaded flapper valve that prevents water from entering through the breather during your water crossings. These TG models are stock replacements for old, rusted, or damaged units.
( 2 )
$19.99
$16.99
On Sale
Summit Bucks
Boost Products USA silicone hump couplers are reinforced with textile layers to be extreme pressure resistant, and also to vacuum in your Air Charge System. Suitable for connections to intercooler pipes and lines, and water lines, the silicone hump couplers can withstand up to 5 Bar and temperatures up to 220 degrees C (not to be used as fuel or oil line). These quality hose couplers are designed with a hump in the middle, which allows the connector to bend or to stretch. This results in a bendable flexibility, which is highly recommended for throttle valves or intercoolers connected to the vehicles body, and similar connections. The silicone is durable and flexible, stable, and color-proof after many years. Matter of fact, lots of well-known companies in the tuning and motorsport areas rely on these quality silicone hump couplers by Boost Products.
Not Yet Reviewed
$15.69
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$23.86
$14.12
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$21.47
On Sale
Quadboss carburetor repair kits provide all the parts needed to repair your machine's carburetor at a fraction of the cost of OEM. Each kit contains all the necessary gaskets, O-rings, float valve assembly or float needle, and jets to repair one OEM carburetor body. Features: * Nitrile rubber material is used on all O-rings and rubber gaskets * High performance interface gasket material is used for all paper gasket applications * OEM jet sizes are included * For machines with two carburetors, the kit will contain all necessary components to repair both carburetors
( 2 )
$22.58
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$23.27
$20.32
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$20.94
On Sale
Fleece Performance offers wiring pigtails and replacement connectors for a wide range of vehicles—including many Dodge, Chevrolet, GMC, Ford, and Ram models from the 1990s and up. These replacement parts are ideal for sensors, starter solenoids, cooling fans, and other components under the hood. Fully automated in-house wire cutting and terminal crimping ensure you get the highest quality connectors and pigtails to get your car or truck back on the road quickly. Order the model that corresponds to your electrical application.
( 3 )
$14.99
$12.74
On Sale
aFe ProGuard D2 oil filters are designed to keep dirt, rust, and other contaminants from getting into your engine. They're made from a synthetic composite material that provides excellent filtration and performance. Additionally, each aFe ProGuard D2 oil filter is thoroughly tested to meet your expectations for form, fit, and function.
( 14 )
$17.85
$14.28
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