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
-
SDI Linkage Spring Cup - Black SDM-2222002-B
SDI
$49.95Linkage Spring Cup - Black Replaces the two-piece plastic spring cup, Greatly increases strength, OEM fitment, Available in three different colors13140794- SKU:
- 13140794
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$49.95 -
SDI Linkage Spring Cup - Factory Brown SDM-2222002-FB
SDI
$49.95Linkage Spring Cup - Factory Brown Replaces the two-piece plastic spring cup, Greatly increases strength, OEM fitment, Available in three different colors13140795- SKU:
- 13140795
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$49.95 -
SDI Linkage Spring Cup - Orange SDM-2222002-O
SDI
$49.95Linkage Spring Cup - Orange Replaces the two-piece plastic spring cup, Greatly increases strength, OEM fitment, Available in three different colors13140796- SKU:
- 13140796
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$49.95 -
SDI Linkage Knob - High Speed SDM-2222003
SDI
$29.95Linkage Knob - High Speed Replaces the plastic OEM adjuster, Easily change high speed compression accurately with improved ergonomics13140797- SKU:
- 13140797
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$29.95 -
SDI Accessory Mounting Display SDU-MA-2372001
SDI
$0.00Accessory Mounting Display Display product to strategically place in your store to help increase sales99030726- SKU:
- 99030726
- Availability:
- Ships Same Business Day
- Weight:
- 12.56 LBS
$0.00 -
SDI Accessory Mount - Sleeve - 1.87" UDAMS-S1875
SDI
$5.95Accessory Mount - Sleeve - 1.87" Allows for the SDI accessory mount clamp to fit tubes with a 1.875* outside diameter, Protects the tube from damage sustained from clamping, Allows the accessory...05212036- SKU:
- 05212036
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95 -
SDI Sway Bar Link - Front SDU-MA-2242001
SDI
$159.99Sway Bar Link - Front Improved strength and durability over stock, Heavy duty equipment replaces OEM rods and hardware, Fully adjustable, Race proven, race winning performance, Flats on rods allow...04500665- SKU:
- 04500665
- Availability:
- Ships Same Business Day
- Weight:
- 2.37 LBS
$159.99 -
SDI Sway Bar Link - Rear SDU-MA-2242002
SDI
$159.99Sway Bar Link - Rear SDU-MA-2242002 Enhanced strength and durability compared to stock components. Heavy-duty construction replaces OEM rods and hardware for superior performance. Fully...04500671- SKU:
- 04500671
- Availability:
- Ships Same Business Day
- Weight:
- 4.32 LBS
$159.99 -
SDI Sway Bar Link - Rear SDU-MA-2242003
SDI
$159.99Sway Bar Link - Rear SDU-MA-2242003 Enhanced strength and durability compared to stock components. Heavy-duty design replaces OEM rods and hardware for superior performance. Fully...04500672- SKU:
- 04500672
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$159.99 -
SDI Tie Rods - Maverick UDCPZTR-MAV
SDI
$259.95Tie Rods - Maverick 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...04301159- SKU:
- 04301159
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
$259.95 -
SDI Tie Rods - +3" UDCPZTR100015E3
SDI
$259.95Tie Rods - +3" UDCPZTR100015E3 Enhanced strength and durability compared to stock components Heavy-duty design replaces OEM rods and hardware Standard length for versatile application ...04301165- SKU:
- 04301165
- Availability:
- Ships Same Business Day
- Weight:
- 6.45 LBS
$259.95Qty in Cart: 0Quantity:Price:$259.95Subtotal: -
SDI Tie Rods - RZR 900 UDCPZTR900
SDI
$249.95Tie Rods - RZR 900 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...04301172- SKU:
- 04301172
- Availability:
- Ships Same Business Day
- Weight:
- 5.25 LBS
$249.95Qty in Cart: 0Quantity:Price:$249.95Subtotal: -
SDI Tie Rods UDCTRXTR
SDI
$259.95Tie Rods 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...04301173- SKU:
- 04301173
- Availability:
- Ships Same Business Day
- Weight:
- 4.36 LBS
$259.95Qty in Cart: 0Quantity:Price:$259.95Subtotal: -
SDI Swaybar Endlink - Rear - Heavy Duty UDCPZSBLTS
SDI
$169.95Swaybar Endlink - Rear - Heavy Duty - UDCPZSBLTS Enhanced strength and durability compared to stock components. Heavy-duty design effectively replaces OEM rods and hardware. Proven...04500594- SKU:
- 04500594
- Availability:
- Ships Same Business Day
- Weight:
- 2.78 LBS
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
SDI Swaybar Endlink - Heavy Duty UDCPZSWB-YXZ
SDI
$179.95Swaybar Endlink - Heavy Duty Improved strength and durability over stock, Heavy-duty equipment replaces OEM rods and hardware, Race proven, race winning performance , Flats on rods allow for easy...04500595- SKU:
- 04500595
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
SDI Radius Rod - Talon R UDCHRRTR
SDI
$569.95Radius Rod - Talon R 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...13020698- SKU:
- 13020698
- Availability:
- Ships Same Business Day
- Weight:
- 28.68 LBS
$569.95Qty in Cart: 0Quantity:Price:$569.95Subtotal: -
SDI Radius Rod - Talon X UDCHRRTX
SDI
$569.95Radius Rod - Talon X 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...13020699- SKU:
- 13020699
- Availability:
- Ships Same Business Day
- Weight:
- 13.55 LBS
$569.95Qty in Cart: 0Quantity:Price:$569.95Subtotal: -
SDI Radius Rod - RZR Pro XP UDCPZRR-PXP
SDI
$499.95Radius Rod - RZR Pro XP 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...13020700- SKU:
- 13020700
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$499.95Qty in Cart: 0Quantity:Price:$499.95Subtotal: -
SDI Clutch Alignment Tool - Transmission Shaft DTPZCAT-T15
SDI
$69.95Clutch Alignment Tool - Transmission Shaft Crucial for properly aligning the shafts between the motor and the transmission, When tightening down the shafts, use grease on threads, and do not torque...38030224- SKU:
- 38030224
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
SDI Free Piston Assembly SDEFFPA-SFF
SDI
$62.95Free Piston Assembly More durable than stock plastic piston, Improved design, Comes assembled with all necessary bushings, o-rings and seals, Completely rebuildable for service, Made in the U.S.A04500596- SKU:
- 04500596
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Fork Preload Spacer - 2.5 mm SDEFSP25-25
SDI
$5.95Fork Preload Spacer - 2.5 mm Easiest way to adjust preload on twin chamber forks, Made in the U.S.A04500606- SKU:
- 04500606
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$5.95Qty in Cart: 0Quantity:Price:$5.95Subtotal: -
SDI DU Piston Bushing Conversion Kit - 46 mm DRPBK-KYB46
SDI
$15.95DU Piston Bushing Conversion Kit - 46 mm (DRPBK-KYB46) Replaces stock wear band for enhanced performance Standard piston rings experience significant wear in the first five hours ...04500614- SKU:
- 04500614
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
SDI Fork Service Kit - 49 mm SFSK49
SDI
$79.95Fork Service Kit - 49 mm Contains all the parts needed to service your forks04500631- SKU:
- 04500631
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$79.95 -
SDI Fork Service Kit - 35 mm WFSK35-SKF
SDI
$99.95Fork Service Kit - 35 mm Contains all the parts needed to service your forks04500633- SKU:
- 04500633
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
SDI Linkage Arm - Orange SDECLAK16-ORG
SDI
$449.95Linkage Arm - Orange Stiffens initial curve, reducing front to back rocking effect, Reduces deep stroke harshness and hook, Can lower seat height up to 5-10 mm on some bikes, Improves chassis...13020708- SKU:
- 13020708
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$449.95Qty in Cart: 0Quantity:Price:$449.95Subtotal: -
SDI Linkage Arm - Blue SDECLAY10-BLU
SDI
$449.95Linkage Arm - Blue Stiffens initial curve, reducing front to back rocking effect, Reduces deep stroke harshness and hook, Can lower seat height up to 5-10 mm on some bikes, Improves chassis balance,...13020710- SKU:
- 13020710
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$449.95Qty in Cart: 0Quantity:Price:$449.95Subtotal: -
SDI Lowering Pull Rod - Blue SDECPRKX85L-BLU
SDI
$62.95Lowering Pull Rod - SDECPRKX85L-BLU Stiffens initial curve for enhanced handling performance Reduces wallowing feel, providing a smoother ride Minimizes deep stroke harshness and hook...13041066- SKU:
- 13041066
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Black SDESBC52B-S
SDI
$62.95Bladder Cap - Black SDESBC52B-S Precision machined for a factory finish Anodized black for enhanced durability and style Increases shock volume for improved performance Delivers a...13140700- SKU:
- 13140700
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBC85BLU
SDI
$62.95Bladder Cap - Blue SDESBC85BLU Precision machined and anodized for a sleek, factory appearance Enhances shock volume for a more linear performance Improves cooling efficiency of the...13140706- SKU:
- 13140706
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Red SDESBC85R
SDI
$62.95Bladder Cap - Red Machined and anodized *factory* look, Increases volume, giving the shock a more linear feel, Helps keep shock cooler, Uses easy-to-service standard Schrader valve13140708- SKU:
- 13140708
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCAKT16SBLU
SDI
$136.95Bladder Cap - Blue Converts stock OEM floating piston to conventional bladder system found on other bikes, Greatly reduces friction caused by the stock floating piston, Increases volume, giving the...13140713- SKU:
- 13140713
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$136.95Qty in Cart: 0Quantity:Price:$136.95Subtotal: -
SDI Bladder Cap - Orange SDESBCAKT16SORG
SDI
$136.95Bladder Cap - Orange Converts stock OEM floating piston to conventional bladder system found on other bikes, Greatly reduces friction caused by the stock floating piston, Increases volume, giving the...13140714- SKU:
- 13140714
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$136.95Qty in Cart: 0Quantity:Price:$136.95Subtotal: -
SDI Bladder Cap - Orange SDESBCAKT17-ORG
SDI
$136.95Bladder Cap - Orange SDESBCAKT17-ORG Converts OEM floating piston to a conventional bladder system Minimizes friction from the stock floating piston Enhances volume for a plusher, more...13140716- SKU:
- 13140716
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
$136.95 -
SDI Bladder Cap - Black SDESBCK250B
SDI
$59.95Bladder Cap - Black Machined and anodized *factory* look, Increases volume, giving the shock a more linear feel, Helps keep shock cooler, Uses easy-to-service standard Schrader valve13140728- SKU:
- 13140728
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
SDI Bladder Cap - Blue SDESBCK250BLU
SDI
$59.95Bladder Cap - Blue Machined and anodized *factory* look, Increases volume, giving the shock a more linear feel, Helps keep shock cooler, Uses easy-to-service standard Schrader valve13140729- SKU:
- 13140729
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
SDI Assembly Grease - 4 oz.net wt. SDOAG4OZ
SDI
$10.95Assembly Grease - 4 oz.net wt. Formulated to meet the most demanding conditions, Engineered to provide a superior, microscopic, residual lubricating film to protect parts from wearing under the...36070051- SKU:
- 36070051
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
SDI Super Slick Grease - 4 oz.net wt. SDPBG4OZ
SDI
$19.95Super Slick Grease - 4 oz.net wt. Super slippery fork seal grease36070053- SKU:
- 36070053
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal: -
SDI Shock Oil - 5 U.S gal. Easy Pack SDPSO-5GAL
SDI
$269.95Shock Oil - 5 U.S gal. Easy Pack Designed to go beyond the performance needs and stresses of the modern motorcycle and UTV shocks36090160- SKU:
- 36090160
- Availability:
- Ships Same Business Day
- Weight:
- 39.00 LBS
$269.95Qty in Cart: 0Quantity:Price:$269.95Subtotal: -
SDI Linkage Shock Bladder Conversion Kit - Factory Brown SDM-2222006-FB
SDI
$136.95Linkage Shock Bladder Conversion Kit - Factory Brown Machined and anodized *factory* look bladder conversion, Converts stock OEM floating piston to a conventional bladder system found on other bikes,...13140789- SKU:
- 13140789
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
$136.95Qty in Cart: 0Quantity:Price:$136.95Subtotal: -
SDI Linkage Spring Nut - Black SDM-2222001-B
SDI
$69.95Linkage Spring Nut - Black Replaces the plastic spring nut/preload spacer that is prone to damage, Reduces stress on the shock body, preventing internal wear, OEM fitment, Available in three...13140791- SKU:
- 13140791
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal:
