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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
Snow Performance check valves are high-flow inline water methanol valves that offer superior safety and flow compared to other water methanol check valves on the market. They are custom-made with 100 percent methanol-resistant stainless steel springs and EPDM seals, ensuring zero corrosion even with high concentrations of methanol. The aluminum valves are available in different sizes and finishes—even in quick-connect models.
( 2 )
$31.24
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
$24.65
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$35.44
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
$21.11
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$62.58
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 )
$112.97
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$223.30
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