Xceldyne
Xceldyne is a premium manufacturer of high-performance valvetrain components for motocross, off-road and powersports racing engines. The brand specializes in titanium intake valves, exhaust valves, valve springs, valve guides, valve seals, locks and spring hardware engineered for maximum engine performance and durability. Widely used in professional racing and high-performance engine builds, Xceldyne products are designed to support precise valve control and improved engine efficiency. Their components are trusted by engine builders seeking advanced valvetrain technology and race-proven reliability.
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Out of stock
Xceldyne - PSIMX2008 - Valve Springs - Exhaust - Honda
Xceldyne
$75.57Xceldyne - 09261271 - Valve Springs - Exhaust - HondaFeaturesDesigned for use with most camshaft grindsSprings can only be used on titanium valvesSpecsUnitsPairRiding StyleOff-RoadMaterialKobe Spring...$75.57 -
Xceldyne - XEVM12001 - Exhaust Valve
Xceldyne
$160.58Xceldyne - 09260490 - Exhaust ValveFeaturesFeatures an advanced "High-flow" design to increase flow by more than 15% over stock valvesLightweight design increases RPM and horsepowerPVD-coated for...$160.58 -
Out of stock
Xceldyne - XEVM33006 - Exhaust Valve
Xceldyne
$152.93Xceldyne - 09260505 - Exhaust ValveFeaturesFeatures an advanced "High-flow" design to increase flow by more than 15% over stock valvesLightweight design increases RPM and horsepowerPVD-coated for...$152.93 -
Out of stock
Xceldyne - XLOM45801 - Valve Locks - Exhaust
Xceldyne
$38.18Xceldyne - 09260520 - Valve Locks - ExhaustFeaturesIndustry first color coded, purpose-built intake-sized and exhaust-sized designDesign allows keepers to stay locked at higher...$38.18 -
Out of stock
Xceldyne - CVGM12002 - Valve Guide Kit - Exhaust - Honda
Xceldyne
$36.63Xceldyne - 09260602 - Valve Guide Kit - Exhaust - HondaFeaturesBuilt from Xceldyne's specified blend of Manganese-bronzeHeat dissipation (thermal conductivity) and valve stem lubrication are...$36.63 -
Out of stock
Xceldyne - CVMSEA12001 - Valve Seal Kit
Xceldyne
$15.53Xceldyne - 09260653 - Valve Seal KitFeaturesExhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better powerFit OE valve and valve guide dimensions...$15.53 -
Xceldyne - PSIMX2006 - Valve Springs - Intake - Honda
Xceldyne
$75.57Xceldyne - 09261269 - Valve Springs - Intake - HondaFeaturesSprings can only be used on titanium valvesDesigned for use with most cam grindsSpecsApplicationIntakeProduct...$75.57 -
Xceldyne - PSIMX2104 - Valve Springs - Intake - Kawasaki | Suzuki
Xceldyne
$75.57Xceldyne - 09260643 - Valve Springs - Intake - Kawasaki | SuzukiFeaturesSprings can only be used on titanium valvesDesigned for use with most cam grindsSpecsMaterialKobe Spring WireRiding...$75.57 -
Out of stock
Xceldyne - PSIMX1905 - Valve Springs - Intake - Honda
Xceldyne
$75.57Xceldyne - 09260637 - Valve Springs - Intake - HondaFeaturesSprings can only be used on titanium valvesDesigned for use with most cam grindsSpecsTypeValveApplicationIntakeProduct...$75.57 -
Xceldyne - X2SIVM42002 - Intake Valve - Yamaha - WR/YZ250F/YZ450F - Outer
Xceldyne
$40.04Xceldyne - 09262216 - Intake Valve - Yamaha - WR/YZ250F/YZ450F - OuterFeaturesIncreases flow over stock valvesSpecsApplicationOuterMaterialSteelRiding StyleOff-RoadBase ColorSilverApplicationSingle...$40.04 -
Xceldyne - XBT22202 - Valve Spring Bucket
Xceldyne
$140.49Xceldyne - 09260625 - Valve Spring BucketFeaturesMade with proprietary steel for the lightest and strongest part possibleDiamond-like-Carbon (DLC) coating substantially reduces friction and decreases...$140.49 -
Out of stock
Xceldyne - X2TIVM43008 - X2 Titanium Valve - Intake
Xceldyne
$110.19Xceldyne - 09262898 - X2 Titanium Valve - IntakeFeaturesIncorporate a high flow design for maximum power and long service lifeFeature the finest materials, tightest tolerances, and best finishesX2...$110.19 -
Xceldyne - X2TIVM42004 - X2 Titanium Valve - Intake
Xceldyne
$110.19Xceldyne - 09262887 - X2 Titanium Valve - IntakeFeaturesIncorporate a high flow design for maximum power and long service lifeFeature the finest materials, tightest tolerances, and best finishesX2...$110.19 -
Xceldyne - 09262561 - X2 Titanium Valve - Intake
Xceldyne
$110.19Xceldyne - 09262561 - X2 Titanium Valve - IntakeFeaturesIncorporate a high flow design for maximum power and long service lifeFeature the finest materials, tightest tolerances, and best finishesX2...$110.19 -
Out of stock
Xceldyne - 09262557 - X2 Titanium Valve - Exhaust
Xceldyne
$110.19Xceldyne - 09262557 - X2 Titanium Valve - ExhaustFeaturesIncorporate a high flow design for maximum power and long service lifeFeature the finest materials, tightest tolerances, and best finishesX2...$110.19 -
Xceldyne - 09262206 - Intake Valve - Honda - CRF450R - +1.00 mm
Xceldyne
MSRP: $47.95$44.49Xceldyne - 09262206 - Intake Valve - Honda - CRF450R - +1.00 mmFeaturesIncreases flow over stock valvesSpecsApplication+1 mm Head DiameterBase ColorSilverModelX2UnitsEachColor/FinishSteelProduct...MSRP: $47.95$44.49 -
Out of stock
Xceldyne - 09260661 - Valve Seal Kit
Xceldyne
$19.44Xceldyne - 09260661 - Valve Seal KitFeaturesExhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better powerFit OE valve and valve guide dimensions...$19.44 -
Out of stock
Xceldyne - 09260655 - Valve Seal Kit
Xceldyne
MSRP: $15.95$15.53Xceldyne - 09260655 - Valve Seal KitFeaturesExhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better powerFit OE valve and valve guide dimensions...MSRP: $15.95$15.53 -
Xceldyne - 09260647 - Valve Springs - Exhaust - Honda
Xceldyne
$75.57Xceldyne - 09260647 - Valve Springs - Exhaust - HondaFeaturesSprings can only be used on titanium valvesDesigned for use with most cam grindsSpecsUnitsPairApplicationExhaustProduct NameSpringRiding...$75.57 -
Out of stock
Xceldyne - 09260623 - Valve Spring Bucket
Xceldyne
$140.49Xceldyne - 09260623 - Valve Spring BucketFeaturesMade with proprietary steel for the lightest and strongest part possibleDiamond-like-Carbon (DLC) coating substantially reduces friction and decreases...$140.49 -
Out of stock
Xceldyne - 09260608 - Valve Guide Kit - Exhaust - Honda
Xceldyne
$36.63Xceldyne - 09260608 - Valve Guide Kit - Exhaust - HondaFeaturesBuilt from Xceldyne's specified blend of Manganese-bronzeHeat dissipation (thermal conductivity) and valve stem lubrication are...$36.63 -
Out of stock
Xceldyne - 09260546 - Valve Spring Locators - Intake\\Exhaust - Honda
Xceldyne
$52.06Xceldyne - 09260546 - Valve Spring Locators - Intake\\Exhaust - HondaFeaturesIncreases valve spring life over heavier, stock steel retainersPrecision CNC-machined from 8620 case hardened steelHigh...$52.06 -
Out of stock
Xceldyne - 09260529 - Valve Locks
Xceldyne
$38.18Xceldyne - 09260529 - Valve LocksFeaturesIndustry first color coded, purpose-built intake-sized and exhaust-sized designDesign allows keepers to stay locked at higher rpmSpecsMaterialSteelRiding...$38.18 -
Out of stock
Xceldyne - 09260525 - Valve Locks
Xceldyne
$38.18Xceldyne - 09260525 - Valve LocksFeaturesIndustry first color coded, purpose-built intake-sized and exhaust-sized designDesign allows keepers to stay locked at higher rpmSpecsUnitsSet of...$38.18 -
Out of stock
Xceldyne - 09260524 - Valve Locks
Xceldyne
$38.18Xceldyne - 09260524 - Valve LocksFeaturesIndustry first color coded, purpose-built intake-sized and exhaust-sized designDesign allows keepers to stay locked at higher rpmSpecsMaterialSteelProduct...$38.18 -
Xceldyne - 09260491 - Exhaust Valve
Xceldyne
$202.40Xceldyne - 09260491 - Exhaust ValveFeaturesFeatures an advanced "High-flow" design to increase flow by more than 15% over stock valvesLightweight design increases RPM and horsepowerPVD-coated for...$202.40 -
Xceldyne - 09260469 - Intake Valve
Xceldyne
$198.35Xceldyne - 09260469 - Intake ValveFeaturesFeatures an advanced "High-flow" design to increase flow by more than 15% over stock valvesLightweight design increases RPM and horsepowerPVD-coated for...$198.35
Xceldyne Valvetrain Performance Systems – Titanium Valves, Valve Springs, Guides & Racing Engine Components
Xceldyne is recognized as a leader in performance engine valvetrain technology, producing precision-engineered components for motocross, off-road and racing applications. The brand is frequently associated with high-value search terms such as titanium valves, performance valve springs, motorcycle engine valves, race engine valvetrain parts and high-performance intake valves, making it a preferred choice among professional engine builders and competitive racers.
The product lineup includes titanium intake valves, exhaust valves, valve spring kits, valve guides, valve seals, valve locks, valve spring buckets and valve spring locators designed for Honda, Yamaha, Kawasaki, Suzuki and other popular powersports platforms. Xceldyne’s advanced manufacturing processes focus on lightweight construction, precise tolerances and exceptional durability to help engines achieve improved airflow, higher RPM capability and enhanced reliability under demanding operating conditions. These components are commonly integrated into race engines, rebuilt cylinder heads and performance-oriented engine packages.
Xceldyne products are widely used in motocross racing, supercross competition, off-road performance builds and professional engine development programs. Popular search phrases include titanium intake valve upgrade, motorcycle valve spring kit, performance exhaust valves, Honda CRF450R valves and race engine valvetrain components. With a reputation for innovation and engineering excellence, Xceldyne continues to provide premium valvetrain solutions for riders and builders seeking maximum engine performance.