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Improved Racing high-flow flapper check valves are ideal for use in oiling systems (wet sump and dry sump), fuel systems, crankcase pressure ventilation systems, and more. Most check valve designs—including poppet check valves, ball check valves, diaphragm check valves, piston check valves, and others—are restrictive, resulting in a pressure drop across the valve even when fully open. Improved Racing's check valves use a flapper design, originally developed for military jet engine turbines, that swings completely out of the fluid's flow path, adding virtually no flow restriction. These check valves were further optimized for low restriction at high flow rates using flow simulation software—and were designed to exceed most military specification requirements. The valves have been tested at up to 1,000 psi of backflow holding pressure without catastrophic failures or excessive leakage. This allows Improved Racing to very safely rate these valves to hold 300 psi of backflow pressure under normal operating conditions with a very high factor of safety. For comparison, the military surplus flapper check valves tested failed catastrophically with complete pressure loss at less than 200 psi. This flapper-style valve has a very low cracking pressure of less than 0.05 psi. Every internal component (hinge, spring, hinge pin, and gasket core) is made from stainless steel to ensure long-lasting, reliable performance and compatibility with just about any fluid, including corrosive fluids. The check valve's gasket is made from FKM (Viton®) rubber bonded to a stainless steel core, giving it a high operating temperature of up to 302 degrees F. It's also highly chemical-resistant and compatible with all types of fuel. Improved Racing's check valves are available in multiple fitting sizes, and the inlet and outlet halves can be mixed and matched to create a completely custom valve. Features and specifications: * Flapper design allows for very high flow with low restriction * Design optimized using flow simulation software * FKM (Viton®) rubber seal * All stainless steel internal components for compatibility with a wide range of fluids * 6061-T6 billet aluminum body with black MIL-A-8625 Type II anodized finish * Laser marked with flow direction and hinge location per military specification * Maximum operating backflow holding pressure of 300 psi, burst backflow holding pressure of over 1,000 psi * Maximum unchecked (normal direction of flow) operating pressure of over 1,000 psi * -40 to 302 degrees F operating temperature rang * Lifetime Warranty
Not Yet Reviewed
$149.00
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$159.00
Summit Racing™ one-way check valves are designed to prevent the back flow of any fuel, coolant, or oils. Their flapper design provides minimal flow restriction, and the high-quality construction of these valves ensures long-lasting performance. Their PTFE flapper requires a low 2 psi to lift off of the seat and is resistant to alcohol, methanol, and bio-diesel fuels. These check valves are offered in a choice of sizes to suit your needs.
( 31 )
$39.99
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$59.99
These Summit Racing™ vacuum check valves will allow you to dress-up your brake booster or vacuum reservoir. They are made from billet aluminum and come in a polished or satin finish.
( 25 )
$25.99
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$34.99
Accusump check valves from Canton Racing ensure that all of the oil being discharged out of an Accusump goes to lubricate the engine bearings. These brass 1/2 in. NPT valves will do just that and are designed for use in systems where a remote oil filter or a cooler is used.
( 3 )
$38.00
Racing Automotive Group offers brake shut-off valves that are designed to be installed in-line in a hydraulic brake line system to enable locking of the front or rear brakes for performing burnout maneuvers, or grid starts. The valves also feature an easy to use handle at the top for quick shut-off. These units are manufactured of lightweight billet aluminum, and each component is precision-machined to exact tolerances to offer trouble-free performance.
( 1 )
$54.99
Racing Automotive Group's shut-off valves allow you to easily control the flow of fluid with just a simple quick flip of a switch! These shut off valves are clearly marked for proper flow direction and have a large handle that make them easy to use. CNC-machined from lightweight aluminum with a hard-anodized coating, these inline fuel shut-off valve flow control cut-offs are available in a variety of AN sizes to better suit your application needs.
Not Yet Reviewed
$39.99
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$44.99
JR Race Car fuel shutoff valves install into the bottom of your Jr. Dragster fuel tank and have a 1/4 in. pip for the tank side (use PTFE tape) and a 1/4 in. barb for the fuel line. These shutoff valves feature an easy-to-use, offset-style handle—and for those who've worked on Jr. Dragster cars, you know that having a simple fuel shut-off valve is quite handy!
( 4 )
$26.99
AFCO Racing brake shut-off valves include fittings and can be easily installed in your brake system to control the flow of fluid. They feature a corrosion-resistant stainless steel ball for long-lasting durability.
Not Yet Reviewed
$127.99
Waterman Racing shut-off valves are valuable plumbing accessories. Constructed from aluminum with an anodized finish, the valves are available for different inlet/outlet sizes. Order the model needed for your application.
( 1 )
$143.99
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$438.99
Performance and reliability begin with All Balls Racing fuel tap repair kits. Available for several street bikes and off-road machines, each kit contains the components necessary to repair your petcock. Kits may include gaskets, O-rings, screws, washers, and more as needed for your application. Select the kit designed for your motorcycle, dirt bike, or ATV.
Not Yet Reviewed
$16.64
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$39.61
Pacific Performance Engineering race fuel valves are made from stainless steel and replace stock or a shimmed pressure relief valve. This valve helps maintain fuel rail pressure during high engine load conditions. The PPE valves eliminate potential low fuel rail pressure DTC codes P1093 or P0087 (low fuel rail pressure during power enrichment) that are caused by insufficient pressure relief valve spring pressure. Order the model recommended for your application.
( 1 )
$41.39
Performance and reliability begin with All Balls Racing fuel tap diaphragm repair kits. Each kit may contain a diaphragm, spring, O-ring, screws, and other components as needed for your application. Select the kit designed for your on- or off-road powersports ride.
Not Yet Reviewed
$31.26
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$35.44
On Sale
Clearance
Prevent backflow with Waterman Racing fluid check valves. Offering a selection of styles and AN sizes made from brass or aluminum, their valves protect systems from damage, while ensuring proper operation and starting of your vehicle. Select the check valve needed to plumb your system.
Not Yet Reviewed
$105.99
$64.50
Clearance
Waterman Racing fuel shut-off brackets are available for their Bertha and Sprint pumps. They include hardware for a complete installation. The Sprint brackets are offered in long or short options to meet your preferred configuration requirements. Select the bracket designed for your fuel pump.
Not Yet Reviewed
$70.99
$43.50
All Balls Racing choke plunger kits include all necessary O-rings, springs, retaining nut, boots and cable guide, where necessary to rebuild one choke plunger circuit. Choke plungers can seize or can easily be lost during a carburetor rebuild. Improperly functioning parts can cause hard starting or poor running conditions. Available for various models with multiple carbs, these choke plunger kits include components to repair each choke plunger.
Not Yet Reviewed
$21.60
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$62.58
Earl's Performance UltraPro ball valves are ideal for all racing applications and provide full uninterrupted flow when opened. The lightweight modular design is easy to rebuild; and the glass-reinforced PTFE seals are compatible with gasoline, racing fuels, methanol, alcohol, E85, oil, water, and coolant. The small body valves are available in -6 and -8 AN sizes; and the large body valves are available in -10 and -12 AN sizes (choose from male/male, or male/female styles). UltraPro ball valves feature an attractive clear and black anodized finish with red handle, a 1/4 in. hole for cable operation—and are curved outward from the body for easy operation (with extra finger clearance, even for drivers wearing racing gloves). These racing ball valves are ideal for use in most fuel and oil systems (i.e. fuel shut-off valves, oil accumulators/accusump systems, and many other applications).
( 24 )
$165.95
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$209.95
These Allstar Performance brake shut-off valves allow you to easily control brake fluid flow. They feature a 1/8 in. NPT inlet and outlet and are rated at 2,000 psi for racing applications. The valves have an easy to use plastic handle at the top for quick shut-off.
( 11 )
$69.99
Make fuel checks simple with Aeromotive's billet fuel sample valves. Depending on the model you select, the aluminum units can install into your 1/8 in. NPT inlet port with threads or quick-connect attachment. Some contain a stainless steel barb fitting for extension hoses and rotate 360 degrees for easy sampling. A spring-loaded safety feature keeps the sample valve sealed when unlocked, and rotates into a locked position when it's time for racing. When a fuel sample is required, simply rotate the valve to the unlocked position, press down for a fuel sample, re-lock, and go race!
( 7 )
$134.20
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$223.30
Mikuni check valves are available to service your Super BN Series carburetor. They offer all the necessary parts to maintain optimal performance in your high-horsepower racing watercraft. Mikuni check valves are genuine replacements that assure the correct fit and function for your Super BN.
Not Yet Reviewed
$2.99
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$4.99
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