Pro X 28.SIS1403-2 Steel Intake Valve/Spring Kit

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Key item features

Enhanced Durability: More durable than OEM components, these valves are designed for extended lifespan and reduced maintenance.
Reduced Adjustments: The kit significantly reduces the frequency of clearance adjustments, allowing for more riding time.
Premium Materials: Features 21-4N stainless steel valves that are black nitrided for core strength and reduced surface friction.
Complete Kit: Includes all necessary valves and heavy-duty valve springs, specifically designed to handle the weight of steel valves.
Seamless Integration: Manufactured to OEM specifications, enabling reuse of existing retainers, bases, and seals without modifications.
Optimized Performance: Chrome vanadium springs maintain a tight seal even at high RPMs, preventing valve flutter or float.
Tappet Compatibility: Pro X tappet sets are available for use with this kit, offering further compatibility options.

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Specs

Vehicle model
28.SIS1403-2
Vehicle fitment type
Universal
Brand
Pro X
Material
Steel
Weight
1 lb
Vehicle type
Motorcycle

Current price is $119.97

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Columbus, 43215

Arrives by Thu, Mar 5

Sold and shipped by MX PowerPlay

4.412296564195298 stars out of 5, based on 553 seller reviews(4.4)

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About this item

Product details

Sick of doing valve adjustments yet? Youâ€™re not alone. Pick up a Steel Intake Valve Kit from Pro X for some valves that will last a seriously long time without giving up any performance. Pro X manufactures these exhaust valves so close to OEM specs you can reuse the same retainers, bases, and seals without any modifications. It all begins with a 21-4N stainless steel valve that is black nitrided for an unprecedented combination of core strength and surface friction reduction. Then comes the chrome vanadium, heavy duty springs built specifically to handle the extra weight of steel valves. Even at high rpms these springs hold a tight seal so your valves wonâ€™t flutter or float even after seasons of being heavy on the throttle. Experience what itâ€™s like to spend your time riding instead of checking clearances with a premium set of components in the Pro X Steel Intake Valve and Spring Kit.

More durable than OEM
Reduced clearance adjustment
Pro X tappet sets available
21-4N stainless steel valves
Kit comes with all valves and valve springs

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Specifications

Vehicle model

28.SIS1403-2

Vehicle fitment type

Universal

Brand

Pro X

Material

Steel

Warranty

Warranty information

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