SDI
SDI Steering Knuckles, Hubs, and Suspension Parts at JJ Motorsports
SDI is a specialized brand in the powersports industry, focusing on heavy-duty steering and suspension components for UTVs such as Polaris RZR, Can-Am Maverick, Talon, and Commander. Emphasizing superior strength, lightweight designs, and race-proven performance, SDI products replace weak stock parts to improve safety, handling, and durability in off-road and racing environments.
At JJ Motorsports, we offer a wide range of SDI products, including the race-proven Steering Knuckle - Race Edition for reduced bump steer, the lightweight Heavy Duty Front Hub for Polaris RZR to minimize rotating mass, the adjustable Tie Rods for Talon R with flats for easy tuning, the modular Radius Rods - 64" for enhanced strength, the flexible Accessory Mount Clamp that rotates on impact, and the rigid Motor Mount for Polaris to reduce flex and wear. Whether you're prepping for races or rugged trails, SDI delivers reliable upgrades compatible with major UTV brands. Explore our selection to find the perfect additions for your vehicle.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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SDI Steering Knuckle - Race Edition UDCSTRK170
SDI
$136.95Steering Knuckle - Race Edition Replaces existing hardware with a lighter, better design, Reduces bump steer and increases safety02130857- SKU:
- 02130857
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$136.95 -
SDI Steering Knuckle - Easy Steer Edition UDCSTRK170E
SDI
$136.95Steering Knuckle - Easy Steer Edition Replaces existing hardware with a lighter, better design, Reduces bump steer and increases safety02130858- SKU:
- 02130858
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$136.95 -
SDI Hub - Heavy Duty - Front - Polaris RZR UDCHR170F
SDI
$439.95Hub - Heavy Duty - Front - Polaris RZR Utilizes stock hardware; studs and any necessary hardware included, Superior strength in comparison to stock component, Lightweight design, reducing rotating...02130859- SKU:
- 02130859
- Availability:
- Ships Same Business Day
- Weight:
- 3.66 LBS
$439.95 -
SDI Hub - Heavy Duty - Rear - Polaris RZR UDCHR170R
SDI
$299.95Hub - Heavy Duty - Rear - Polaris RZR Utilizes stock hardware; studs and any necessary hardware included, Superior strength in comparison to stock component, Lightweight design, reducing rotating mass02130860- SKU:
- 02130860
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
$299.95 -
SDI Tie Rods - Talon R UDCHTTR-R
SDI
$129.95Tie Rods - Talon R Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for...04301156- SKU:
- 04301156
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
$129.95 -
SDI Tie Rods - Talon X UDCHTTR-X
SDI
$129.95Tie Rods - Talon X Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for...04301157- SKU:
- 04301157
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
$129.95 -
SDI Tie Rods - Commander UDCPZTR-COM
SDI
$259.95Tie Rods - Commander Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for...04301158- SKU:
- 04301158
- Availability:
- Ships Same Business Day
- Weight:
- 4.48 LBS
$259.95 -
SDI Tie Rods - 64" UDCPZTR-MX3
SDI
$129.95Tie Rods - 64" Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for easy...04301160- SKU:
- 04301160
- Availability:
- Ships Same Business Day
- Weight:
- 3.19 LBS
$129.95 -
SDI Tie Rods - 72" UDCPZTR-MX3E3
SDI
$129.95Tie Rods - 72" Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for easy...04301161- SKU:
- 04301161
- Availability:
- Ships Same Business Day
- Weight:
- 3.89 LBS
$129.95 -
SDI Tie Rods - Turbo S UDCPZTR-TS
SDI
$269.95Tie Rods - Turbo S Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for...04301162- SKU:
- 04301162
- Availability:
- Ships Same Business Day
- Weight:
- 7.40 LBS
$269.95 -
SDI Tie Rods - RZR UDCPZTR1000-14
SDI
$249.95Tie Rods - RZR UDCPZTR1000-14 Enhanced strength and durability compared to stock components Heavy-duty construction replaces original equipment manufacturer (OEM) rods and hardware ...04301163- SKU:
- 04301163
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
$249.95 -
SDI Tie Rods - RZR UDCPZTR1000-15
SDI
$249.95Tie Rods - RZR UDCPZTR1000-15 Enhanced strength and durability compared to stock components Heavy-duty design replaces OEM rods and hardware for superior performance Standard length...04301164- SKU:
- 04301164
- Availability:
- Ships Same Business Day
- Weight:
- 5.09 LBS
$249.95 -
SDI Tie Rods - +4" UDCPZTR100015E4
SDI
$259.95Tie Rods - +4" Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for easy...04301166- SKU:
- 04301166
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
$259.95 -
SDI Tie Rods - RZR UDCPZTR1000-17
SDI
$249.95Tie Rods - RZR Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for easy...04301167- SKU:
- 04301167
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
$249.95 -
SDI Tie Rods - +3" UDCPZTR100017E3
SDI
$259.95Tie Rods - +3" UDCPZTR100017E3 Enhanced strength and durability compared to stock options Heavy-duty construction replaces OEM rods and hardware Standard length for versatile fitment ...04301168- SKU:
- 04301168
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
$259.95 -
SDI Tie Rods - 50" UDCPZTR800
SDI
$249.95Tie Rods - 50" Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for easy...04301170- SKU:
- 04301170
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$249.95 -
SDI Tie Rods - 60" UDCPZTR800-60
SDI
$249.95Tie Rods - 60" Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for easy...04301171- SKU:
- 04301171
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
$249.95 -
SDI Tie Rods - YXZ1000R UDCYXTR1000
SDI
$259.95Tie Rods - YXZ1000R Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Standard length, Race proven, race winning performance, Flats on rods allow for...04301174- SKU:
- 04301174
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$259.95 -
SDI Swaybar Endlink - Rear - Heavy Duty UDCCMSB-X3
SDI
$159.95Swaybar Endlink - Rear - Heavy Duty - UDCCMSB-X3 Enhanced strength and durability compared to stock components Heavy-duty design effectively replaces OEM rods and hardware Race proven...04500592- SKU:
- 04500592
- Availability:
- Ships Same Business Day
- Weight:
- 3.21 LBS
$159.95 -
SDI Swaybar Endlink - Rear - Heavy Duty UDCPZSBL1000
SDI
$139.95Swaybar Endlink - Rear - Heavy Duty - UDCPZSBL1000 Enhanced strength and durability compared to stock components Heavy-duty design replaces original equipment manufacturer (OEM) rods and...04500593- SKU:
- 04500593
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
$139.95 -
SDI Accessory Mount - Clamp UDAMS-C
SDI
$29.95Accessory Mount - Clamp Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping system; seven different...05211919- SKU:
- 05211919
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$29.95 -
SDI Accessory Mount - Sleeve - 1.5" Tube UDAMS-S15
SDI
$5.95Accessory Mount - Sleeve - 1.5" Tube Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping system; seven...05211920- SKU:
- 05211920
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$5.95 -
SDI Accessory Mount - Sleeve - 1.75" Tube UDAMS-S175
SDI
$5.95Accessory Mount - Sleeve - 1.75" Tube Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping system; seven...05211921- SKU:
- 05211921
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$5.95 -
SDI Accessory Mount - Hook UDAMS-HA
SDI
$19.95Accessory Mount - Hook Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping system; seven different accessories...05211922- SKU:
- 05211922
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI Accessory Mount - Light Bar - Large - 0.402 mm Diameter UDAMS-LBL
SDI
$19.95Accessory Mount - Light Bar - Large - 0.402 mm Diameter Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping...05211923- SKU:
- 05211923
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
SDI Accessory Mount - Light Bar - Medium - 0.323 mm Diameter UDAMS-LBM
SDI
$19.95Accessory Mount - Light Bar - Medium - 0.323 mm Diameter Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping...05211924- SKU:
- 05211924
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$19.95 -
SDI Accessory Mount - Light Bar - Small - 0.256 mm Diameter UDAMS-LBS
SDI
$19.95Accessory Mount - Light Bar - Small - 0.256 mm Diameter Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping...05211925- SKU:
- 05211925
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
$19.95 -
SDI Accessory Mount - License Plate UDAMS-LP
SDI
$45.95Accessory Mount - License Plate Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping system; seven different...05211926- SKU:
- 05211926
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$45.95 -
SDI Accessory Mount - Registration Sticker Plate UDAMS-SP
SDI
$34.95Accessory Mount - Registration Sticker Plate Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping system; seven...05211927- SKU:
- 05211927
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$34.95 -
SDI Accessory Mount - Whip UDAMS-W
SDI
$19.95Accessory Mount - Whip Offers ultimate flexibility and modularity for individuals to build the mount they want, Designed to rotate on impact, Multipurpose clamping system; seven different accessories...05211928- SKU:
- 05211928
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
SDI Motor Mount - Polaris UDMPRZRMP
SDI
$89.95Motor Mount - Polaris Keeps shafts in line (once they are aligned) reducing excessive wear on belts, Eliminates flex between the motor and transmission, Includes all necessary installation hardware,...09330142- SKU:
- 09330142
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
$89.95 -
SDI Transmission Mount - RZR 170 UDCTM170
SDI
$104.95Transmission Mount - RZR 170 Strengthens mounting point between the transmission and chassis that is prone to breaking, Lightweight design; superior strength compared to stock component, Includes all...11050260- SKU:
- 11050260
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$104.95 -
SDI Radius Rod - 64" UDCCMRR-X3
SDI
$579.95Radius Rod - 64" Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Flats on rods allow for easy adjustment, Includes rods, rod ends and misalignment...13020695- SKU:
- 13020695
- Availability:
- Ships Same Business Day
- Weight:
- 19.40 LBS
$579.95 -
SDI Radius Rod - 72" UDCCRR-X3R5
SDI
$670.95Radius Rod - 72" Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Flats on rods allow for easy adjustment, Includes rods, rod ends and misalignment...13020697- SKU:
- 13020697
- Availability:
- Ships Same Business Day
- Weight:
- 23.00 LBS
$670.95 -
SDI Radius Rod - RZR XP Turbo/XP 1000 UDCPZRR-T17
SDI
$449.95Radius Rod - RZR XP Turbo/XP 1000 Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Flats on rods allow for easy adjustment, Includes rods, rod ends...13020701- SKU:
- 13020701
- Availability:
- Ships Same Business Day
- Weight:
- 12.53 LBS
$449.95 -
SDI Radius Rod - RZR Turbo S UDCPZRR-TS
SDI
$499.95Radius Rod - RZR Turbo S Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Flats on rods allow for easy adjustment, Includes rods, rod ends and...13020702- SKU:
- 13020702
- Availability:
- Ships Same Business Day
- Weight:
- 15.70 LBS
$499.95 -
SDI Radius Rod - RZR 1000 UDCPZRR1000
SDI
$449.95Radius Rod - RZR 1000 Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Flats on rods allow for easy adjustment, Includes rods, rod ends and...13020703- SKU:
- 13020703
- Availability:
- Ships Same Business Day
- Weight:
- 12.30 LBS
$449.95 -
SDI Radius Rod - RZT XP 900 UDCPSRR900
SDI
$449.95Radius Rod - RZT XP 900 Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Flats on rods allow for easy adjustment, Includes rods, rod ends and...13020704- SKU:
- 13020704
- Availability:
- Ships Same Business Day
- Weight:
- 11.49 LBS
$449.95 -
SDI Shock Spring - RZR XP1K Two Seater UDCSKP-1K2
SDI
$899.95Shock Spring - RZR XP1K Two Seater Fine tuned and tested to improve your vehicle*s ride, Gives your RZR a true dual rate setup, utilizing both springs, Greatly reduces body roll, nose dive (bucking)...13120908- SKU:
- 13120908
- Availability:
- Ships Same Business Day
- Weight:
- 33.65 LBS
$899.95 -
SDI Shock Spring - RZR XP1K Two Seater UDCSKP-1K217
SDI
$899.95Shock Spring - RZR XP1K Two Seater Fine tuned and tested to improve your vehicle*s ride, Gives your RZR a true dual rate setup, utilizing both springs, Greatly reduces body roll, nose dive (bucking)...13120909- SKU:
- 13120909
- Availability:
- Ships Same Business Day
- Weight:
- 34.70 LBS
$899.95
