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SDI

SDI

SDI specializes in high-performance suspension components and tuning parts for motorcycles, ATVs, UTVs and motocross applications. The brand is known for precision-engineered fork service kits, lowering pull rods and suspension linkage systems designed to improve handling and ride control. Its product range supports key categories like motorcycle suspension tuning, fork rebuild kits and off-road suspension upgrades for Yamaha, KTM, Honda and other major platforms.


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  • Qty in Cart
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  • Price
  • Subtotal
  • Sdi - 13120921 - Shock Spring - RZR XP1K Two Seater

    Sdi - 13120921 - Shock Spring - RZR XP1K Two Seater

    SDI

    $799.95
    Sdi - 13120921 - Shock Spring - RZR XP1K Two SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $799.95
    Qty in Cart: 0
    Quantity:
    Price:
    $799.95
    Subtotal:
  • Sdi - 13120920 - Shock Spring - X3/RS Max

    Sdi - 13120920 - Shock Spring - X3/RS Max

    SDI

    $949.95
    Sdi - 13120920 - Shock Spring - X3/RS MaxFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out resistance)Durable...
    $949.95
    Qty in Cart: 0
    Quantity:
    Price:
    $949.95
    Subtotal:
  • Sdi - 13120919 - Shock Spring - X3/RS

    Sdi - 13120919 - Shock Spring - X3/RS

    SDI

    $949.95
    Sdi - 13120919 - Shock Spring - X3/RSFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out resistance)Durable...
    $949.95
    Qty in Cart: 0
    Quantity:
    Price:
    $949.95
    Subtotal:
  • Sdi - 13120918 - Shock Spring - RZR Turbo S Velocity Four Seater

    Sdi - 13120918 - Shock Spring - RZR Turbo S Velocity Four Seater

    SDI

    $949.95
    Sdi - 13120918 - Shock Spring - RZR Turbo S Velocity Four SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming...
    $949.95
    Qty in Cart: 0
    Quantity:
    Price:
    $949.95
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  • Sdi - 13120917 - Shock Spring - RZR Turbo S Velocity

    Sdi - 13120917 - Shock Spring - RZR Turbo S Velocity

    SDI

    $949.95
    Sdi - 13120917 - Shock Spring - RZR Turbo S VelocityFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $949.95
    Qty in Cart: 0
    Quantity:
    Price:
    $949.95
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  • Sdi - 13120916 - Shock Spring - RZR Turbo S (Fox)

    Sdi - 13120916 - Shock Spring - RZR Turbo S (Fox)

    SDI

    $949.95
    Sdi - 13120916 - Shock Spring - RZR Turbo S (Fox)FeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $949.95
    Qty in Cart: 0
    Quantity:
    Price:
    $949.95
    Subtotal:
  • Sdi - 13120915 - Shock Spring - RZR XP Turbo Two Seater

    Sdi - 13120915 - Shock Spring - RZR XP Turbo Two Seater

    SDI

    $949.95
    Sdi - 13120915 - Shock Spring - RZR XP Turbo Two SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $949.95
    Qty in Cart: 0
    Quantity:
    Price:
    $949.95
    Subtotal:
  • Sdi - 13120914 - Shock Spring - RZR XP Turbo Four Seater

    Sdi - 13120914 - Shock Spring - RZR XP Turbo Four Seater

    SDI

    $949.95
    Sdi - 13120914 - Shock Spring - RZR XP Turbo Four SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $949.95
    Qty in Cart: 0
    Quantity:
    Price:
    $949.95
    Subtotal:
  • Sdi - 13120913 - Shock Spring - Talon X4

    Sdi - 13120913 - Shock Spring - Talon X4

    SDI

    $899.95
    Sdi - 13120913 - Shock Spring - Talon X4FeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out resistance)Durable...
    $899.95
    Qty in Cart: 0
    Quantity:
    Price:
    $899.95
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  • Sdi - 13120912 - Shock Spring - Talon R

    Sdi - 13120912 - Shock Spring - Talon R

    SDI

    $899.95
    Sdi - 13120912 - Shock Spring - Talon RFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out resistance)Durable...
    $899.95
    Qty in Cart: 0
    Quantity:
    Price:
    $899.95
    Subtotal:
  • Sdi - 13120911 - Shock Spring - RZR XP1K/WER XP Turbo Four Seater

    Sdi - 13120911 - Shock Spring - RZR XP1K/WER XP Turbo Four Seater

    SDI

    $899.95
    Sdi - 13120911 - Shock Spring - RZR XP1K/WER XP Turbo Four SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming...
    $899.95
    Qty in Cart: 0
    Quantity:
    Price:
    $899.95
    Subtotal:
  • Sdi - 13120910 - Shock Spring - RZR XP1K Four Seater Sdi - 13120910 - Shock Spring - RZR XP1K Four Seater

    Sdi - 13120910 - Shock Spring - RZR XP1K Four Seater

    SDI

    $899.95
    Sdi - 13120910 - Shock Spring - RZR XP1K Four SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $899.95
    Qty in Cart: 0
    Quantity:
    Price:
    $899.95
    Subtotal:
  • Sdi - 13120909 - Shock Spring - RZR XP1K Two Seater Sdi - 13120909 - Shock Spring - RZR XP1K Two Seater

    Sdi - 13120909 - Shock Spring - RZR XP1K Two Seater

    SDI

    $899.95
    Sdi - 13120909 - Shock Spring - RZR XP1K Two SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $899.95
    Qty in Cart: 0
    Quantity:
    Price:
    $899.95
    Subtotal:
  • Sdi - 13120908 - Shock Spring - RZR XP1K Two Seater Sdi - 13120908 - Shock Spring - RZR XP1K Two Seater

    Sdi - 13120908 - Shock Spring - RZR XP1K Two Seater

    SDI

    $899.95
    Sdi - 13120908 - Shock Spring - RZR XP1K Two SeaterFeaturesGives your RZR a true dual rate setup, utilizing both springsGreatly reduces body roll, nose dive (bucking) and bottoming (G-out...
    $899.95
    Qty in Cart: 0
    Quantity:
    Price:
    $899.95
    Subtotal:
  • Sdi - 13102557 - Shock - Rear - Ridge Sdi - 13102557 - Shock - Rear - Ridge

    Sdi - 13102557 - Shock - Rear - Ridge

    SDI

    $1,592.95
    Sdi - 13102557 - Shock - Rear - RidgeFeaturesRace style quick adjust preload ring accepts any 6 mm tool and locks with pinch boltSuper high tensile light weight springs are barrel formed for bow...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Sdi - 13102556 - Shock - Rear - Pioneer 1000 Sdi - 13102556 - Shock - Rear - Pioneer 1000

    Sdi - 13102556 - Shock - Rear - Pioneer 1000

    SDI

    $1,592.95
    Sdi - 13102556 - Shock - Rear - Pioneer 1000FeaturesRace style quick adjust preload ring accepts any 6 mm tool and locks with pinch boltSuper high tensile light weight springs are barrel formed for...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Sdi - 13102555 - Shock - Rear - Defender HD10 - 64" Sdi - 13102555 - Shock - Rear - Defender HD10 - 64"

    Sdi - 13102555 - Shock - Rear - Defender HD10 - 64"

    SDI

    $1,592.95
    Sdi - 13102555 - Shock - Rear - Defender HD10 - 64"FeaturesRace style quick adjust preload ring accepts any 6 mm tool and locks with pinch boltSuper high tensile light weight springs are barrel...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Sdi - 13102554 - Shock - Rear - Defender HD10 - 65" Sdi - 13102554 - Shock - Rear - Defender HD10 - 65"

    Sdi - 13102554 - Shock - Rear - Defender HD10 - 65"

    SDI

    $1,592.95
    Sdi - 13102554 - Shock - Rear - Defender HD10 - 65"FeaturesRace style quick adjust preload ring accepts any 6 mm tool and locks with pinch boltSuper high tensile light weight springs are barrel...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Sdi - 13102553 - Shock - Rear - Ranger XP 1000 Sdi - 13102553 - Shock - Rear - Ranger XP 1000

    Sdi - 13102553 - Shock - Rear - Ranger XP 1000

    SDI

    $1,592.95
    Sdi - 13102553 - Shock - Rear - Ranger XP 1000FeaturesRace style quick adjust preload ring accepts any 6 mm tool and locks with pinch boltSuper high tensile light weight springs are barrel formed for...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Out of stock
    Sdi - 13102511 - Shock Set - Front - Kawasaki Ridge Sdi - 13102511 - Shock Set - Front - Kawasaki Ridge

    Sdi - 13102511 - Shock Set - Front - Kawasaki Ridge

    SDI

    $1,592.95
    Sdi - 13102511 - Shock Set - Front - Kawasaki Ridge Features Race style quick adjust preload ring accepts any 6 mm tool and locks with pinch bolt Super high tensile light weight springs are...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Sdi - 13102510 - Shock Set - Front - Honda Pioneer 1000 Sdi - 13102510 - Shock Set - Front - Honda Pioneer 1000

    Sdi - 13102510 - Shock Set - Front - Honda Pioneer 1000

    SDI

    $1,592.95
    Sdi - 13102510 - Shock Set - Front - Honda Pioneer 1000 Features Race style quick adjust preload ring accepts any 6 mm tool and locks with pinch bolt Super high tensile light weight springs are...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Sdi - 13102506 - Shock Set - Front - Polaris Ranger XD 1500 Sdi - 13102506 - Shock Set - Front - Polaris Ranger XD 1500

    Sdi - 13102506 - Shock Set - Front - Polaris Ranger XD 1500

    SDI

    $1,592.95
    Sdi - 13102506 - Shock Set - Front - Polaris Ranger XD 1500 Features Race style quick adjust preload ring accepts any 6 mm tool and locks with pinch bolt Super high tensile light weight springs...
    $1,592.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,592.95
    Subtotal:
  • Out of stock
    Sdi - 13020704 - Radius Rod - '11-'14 RZR XP 900

    Sdi - 13020704 - Radius Rod - '11-'14 RZR XP 900

    SDI

    $472.95
    Sdi - 13020704 - Radius Rod - '11-'14 RZR XP 900FeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and misalignment bushingsMade...
    $472.95
    Qty in Cart: 0
    Quantity:
    Price:
    $472.95
    Subtotal:
  • Out of stock
    Sdi - 13020703 - Radius Rod - '14-'16 RZR 1000

    Sdi - 13020703 - Radius Rod - '14-'16 RZR 1000

    SDI

    $472.95
    Sdi - 13020703 - Radius Rod - '14-'16 RZR 1000FeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and misalignment bushingsMade...
    $472.95
    Qty in Cart: 0
    Quantity:
    Price:
    $472.95
    Subtotal:
  • Sdi - 13020702 - Radius Rod - '17-'22 RZR Turbo S

    Sdi - 13020702 - Radius Rod - '17-'22 RZR Turbo S

    SDI

    $499.95
    Sdi - 13020702 - Radius Rod - '17-'22 RZR Turbo SFeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and misalignment...
    $499.95
    Qty in Cart: 0
    Quantity:
    Price:
    $499.95
    Subtotal:
  • Out of stock
    Sdi - 13020701 - Radius Rod - RZR XP Turbo/XP 1000

    Sdi - 13020701 - Radius Rod - RZR XP Turbo/XP 1000

    SDI

    $472.95
    Sdi - 13020701 - Radius Rod - RZR XP Turbo/XP 1000FeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and misalignment...
    $472.95
    Qty in Cart: 0
    Quantity:
    Price:
    $472.95
    Subtotal:
  • Out of stock
    Sdi - 13020700 - Radius Rod - '20-'22 RZR Pro XP

    Sdi - 13020700 - Radius Rod - '20-'22 RZR Pro XP

    SDI

    $562.95
    Sdi - 13020700 - Radius Rod - '20-'22 RZR Pro XPFeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and misalignment bushingsMade...
    $562.95
    Qty in Cart: 0
    Quantity:
    Price:
    $562.95
    Subtotal:
  • Out of stock
    Sdi - 13020699 - Radius Rod - Talon X

    Sdi - 13020699 - Radius Rod - Talon X

    SDI

    $569.95
    Sdi - 13020699 - Radius Rod - Talon XFeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and misalignment bushingsMade in the...
    $569.95
    Qty in Cart: 0
    Quantity:
    Price:
    $569.95
    Subtotal:
  • Out of stock
    Sdi - 13020698 - Radius Rod - Talon R

    Sdi - 13020698 - Radius Rod - Talon R

    SDI

    $569.95
    Sdi - 13020698 - Radius Rod - Talon RFeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and misalignment bushingsMade in the...
    $569.95
    Qty in Cart: 0
    Quantity:
    Price:
    $569.95
    Subtotal:
  • Sdi - 13020697 - Radius Rod - 72" - '17-'22 Maverick X3 RS/X3 Max RS Sdi - 13020697 - Radius Rod - 72" - '17-'22 Maverick X3 RS/X3 Max RS

    Sdi - 13020697 - Radius Rod - 72" - '17-'22 Maverick X3 RS/X3 Max RS

    SDI

    $704.95
    Sdi - 13020697 - Radius Rod - 72" - '17-'22 Maverick X3 RS/X3 Max RSFeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and...
    $704.95
    Qty in Cart: 0
    Quantity:
    Price:
    $704.95
    Subtotal:
  • Out of stock
    Sdi - 13020695 - Radius Rod - 64" - '17-'22 Maverick X3/X3 Max

    Sdi - 13020695 - Radius Rod - 64" - '17-'22 Maverick X3/X3 Max

    SDI

    $669.95
    Sdi - 13020695 - Radius Rod - 64" - '17-'22 Maverick X3/X3 MaxFeaturesHeavy-duty equipment replaces OEM rods and hardwareFlats on rods allow for easy adjustmentIncludes rods, rod ends and...
    $669.95
    Qty in Cart: 0
    Quantity:
    Price:
    $669.95
    Subtotal:
  • Sdi - 11050260 - Transmission Mount - RZR 170

    Sdi - 11050260 - Transmission Mount - RZR 170

    SDI

    $110.95
    Sdi - 11050260 - Transmission Mount - RZR 170FeaturesLightweight design; superior strength compared to stock componentIncludes all necessary mounting hardwareSpecsTypeTransmissionProduct...
    $110.95
    Qty in Cart: 0
    Quantity:
    Price:
    $110.95
    Subtotal:
  • Sdi - 09330142 - Motor Mount - Polaris

    Sdi - 09330142 - Motor Mount - Polaris

    SDI

    $94.95
    Sdi - 09330142 - Motor Mount - PolarisFeaturesEliminates flex between the motor and transmissionIncludes all necessary installation hardwareMade in the U.S.A.If holes are undrilled, tap to an M10x1...
    $94.95
    Qty in Cart: 0
    Quantity:
    Price:
    $94.95
    Subtotal:
  • Sdi - 05212036 - Accessory Mount - Sleeve - 1.87"

    Sdi - 05212036 - Accessory Mount - Sleeve - 1.87"

    SDI

    $5.95
    Sdi - 05212036 - Accessory Mount - Sleeve - 1.87"FeaturesProtects the tube from damage sustained from clampingAllows the accessory mount clamp to move under impact to prevent damage to the...
    $5.95
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • Sdi - 05211928 - Accessory Mount - Whip

    Sdi - 05211928 - Accessory Mount - Whip

    SDI

    $19.95
    Sdi - 05211928 - Accessory Mount - WhipFeaturesDesigned to rotate on impactMultipurpose clamping system; seven different accessories utilize the same mounting pointTwenty preset pivot positions allow...
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Sdi - 05211927 - Accessory Mount - Registration Sticker Plate

    Sdi - 05211927 - Accessory Mount - Registration Sticker Plate

    SDI

    $34.95
    Sdi - 05211927 - Accessory Mount - Registration Sticker PlateFeaturesDesigned to rotate on impactEasy to installMade in the USASpecsTypeAccessoryStyleRegistration Sticker...
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • Sdi - 05211926 - Accessory Mount - License Plate

    Sdi - 05211926 - Accessory Mount - License Plate

    SDI

    $48.95
    Sdi - 05211926 - Accessory Mount - License PlateFeaturesDesigned to rotate on impactEasy to installMade in the USASpecsUnitsEachBase ColorBlackTypeAccessoryColor/FinishBlackProduct NameMountRiding...
    $48.95
    Qty in Cart: 0
    Quantity:
    Price:
    $48.95
    Subtotal:
  • Out of stock
    Sdi - 05211925 - Accessory Mount - Light Bar - Small - 0.256 mm Diameter

    Sdi - 05211925 - Accessory Mount - Light Bar - Small - 0.256 mm Diameter

    SDI

    $19.95
    Sdi - 05211925 - Accessory Mount - Light Bar - Small - 0.256 mm DiameterFeaturesDesigned to rotate on impact and has a multipurpose clamping system that allows seven different accessories to use the...
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Sdi - 05211924 - Accessory Mount - Light Bar - Medium - 0.323 mm Diameter

    Sdi - 05211924 - Accessory Mount - Light Bar - Medium - 0.323 mm Diameter

    SDI

    $19.95
    Sdi - 05211924 - Accessory Mount - Light Bar - Medium - 0.323 mm DiameterFeaturesDesigned to rotate on impact and has a multipurpose clamping system that allows seven different accessories to use the...
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Sdi - 05211923 - Accessory Mount - Light Bar - Large - 0.402 mm Diameter

    Sdi - 05211923 - Accessory Mount - Light Bar - Large - 0.402 mm Diameter

    SDI

    $19.95
    Sdi - 05211923 - Accessory Mount - Light Bar - Large - 0.402 mm DiameterFeaturesDesigned to rotate on impact and has a multipurpose clamping system that allows seven different accessories to use the...
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Total: items /

Adding your products to cart

SDI Suspension Performance Systems – Motorcycle & Powersports Suspension Tuning, Fork Service Kits & Linkage Components

SDI is a performance-focused brand recognized in the powersports industry for its advanced suspension tuning components and precision-machined upgrade parts. The company develops high-quality solutions such as fork service kits, shock components and linkage systems that improve suspension response, stability and rider control across motocross, enduro and UTV applications. With a strong emphasis on durability and engineering accuracy, SDI products are widely used in both professional racing and recreational off-road environments.

 

The SDI product lineup includes a wide range of fork service kits, bladder caps, lowering pull rods, linkage arms and shock rebuild components designed for major OEM platforms like Yamaha YZ series, KTM/Husqvarna, Honda CRF and Polaris RZR models. These products create strong internal-link opportunities across categories such as motorcycle suspension parts, fork rebuild kits, shock tuning components and UTV suspension upgrades. Additional solutions like DU piston bushing conversion kits, spring perch sets and floating piston assemblies further expand its presence in advanced suspension tuning systems.

 

Built for performance and reliability, SDI components are engineered to enhance suspension responsiveness, adjust ride height and optimize handling under demanding riding conditions. Riders benefit from improved traction, better shock absorption and precise suspension tuning for both motocross tracks and off-road terrain. With compatibility across motorcycles, dirt bikes and UTV platforms, SDI continues to be a trusted choice for suspension upgrades, rebuild kits and performance tuning solutions.