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Dirt Bike Suspension

Dirt Bike Suspension

Dirt Bike Suspension

CLICK HERE - DIRT BIKE SUSPENSION SERVICE

Dirt Bike Suspension Parts at JJ Motorsports

Fine-tune your ride with advanced suspension components from JJ Motorsports. From rear suspension upgrades to precision-manufactured forks, these products ensure improved handling and shock absorption. Find complementary off-road dirt bike parts to optimize every ride on the track or trail.

Shop trusted brands like Progressive Suspension for adjustable shocks and Fox for high-performance forks. Explore related categories such as Dirt Bike Braking for stopping power or Dirt Bike Tires and Wheels for complete setups.

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FACTORY CONNECTION Shock Spring - Spring Rate 280 lbs/in ALN-0050

    FACTORY CONNECTION Shock Spring - Spring Rate 280 lbs/in ALN-0050

    FACTORY CONNECTION

    $159.95
    A properly-tuned shock spring is fundamental to suspension performance, affecting everything from ride quality to cornering grip and chassis stability. The FACTORY CONNECTION ALN-0050 delivers consistent spring rates through precision manufacturing,...
    ALN0050
    SKU:
    ALN0050
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    MOUNTING POSITION:
    REAR
    UNITS:
    EACH
    PRODUCT NAME:
    SHOCK SPRING
    COLOR/FINISH:
    SHOT PEENED
    LINEAR SPRING RATE IMPERIAL:
    280.00 LB/IN
    RIDING STYLE:
    OFF-ROAD
    SPRING TYPE:
    SINGLE LINEAR RATE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 300 lbs/in ALN-0054

    FACTORY CONNECTION Shock Spring - Spring Rate 300 lbs/in ALN-0054

    FACTORY CONNECTION

    $159.95
    Whether you're dialing in suspension geometry for track performance or replacing worn springs that have lost their compliance, a properly-rated shock spring is non-negotiable for consistent handling and tire contact. The Factory Connection 300 lbs/in...
    ALN0054
    SKU:
    ALN0054
    Availability:
    Ships Same Business Day
    Weight:
    4.69 LBS
    PRODUCT NAME:
    SHOCK SPRING
    RIDING STYLE:
    OFF-ROAD
    LINEAR SPRING RATE IMPERIAL:
    300.00 LB/IN
    MOUNTING POSITION:
    REAR
    COLOR/FINISH:
    SHOT PEENED
    SPRING TYPE:
    SINGLE LINEAR RATE
    UNITS:
    EACH
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 313 lbs/in ALN-0056

    FACTORY CONNECTION Shock Spring - Spring Rate 313 lbs/in ALN-0056

    FACTORY CONNECTION

    $159.95
    Suspension performance hinges on spring consistency, and this FACTORY CONNECTION shock spring delivers precise rate control through rigorous manufacturing standards. Whether you're dialing in track geometry or fine-tuning off-road compliance, a properly...
    ALN0056
    SKU:
    ALN0056
    Availability:
    Ships Same Business Day
    Weight:
    4.94 LBS
    COLOR/FINISH:
    SHOT PEENED
    RIDING STYLE:
    OFF-ROAD
    SPRING TYPE:
    SINGLE LINEAR RATE
    LINEAR SPRING RATE IMPERIAL:
    313.00 LB/IN
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SHOCK SPRING
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 336 lbs/in ALN-0060

    FACTORY CONNECTION Shock Spring - Spring Rate 336 lbs/in ALN-0060

    FACTORY CONNECTION

    $159.95
    A precision shock spring must deliver consistent force over thousands of compression cycles without sagging or losing rate—this FACTORY CONNECTION spring is engineered for exactly that. Whether you're fine-tuning suspension geometry for a track setup or...
    ALN0060
    SKU:
    ALN0060
    Availability:
    Ships Same Business Day
    Weight:
    5.13 LBS
    COLOR/FINISH:
    SHOT PEENED
    MOUNTING POSITION:
    REAR
    SPRING TYPE:
    SINGLE LINEAR RATE
    LINEAR SPRING RATE IMPERIAL:
    336.00 LB/IN
    PRODUCT NAME:
    SHOCK SPRING
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 274 lbs/in AAL-0049

    FACTORY CONNECTION Shock Spring - Spring Rate 274 lbs/in AAL-0049

    FACTORY CONNECTION

    $159.95
    When your suspension demands reliability under extreme conditions, settling for mediocre springs isn't an option. The FACTORY CONNECTION Shock Spring delivers consistent, predictable performance lap after lap—engineered with precision manufacturing and...
    AAL0049
    SKU:
    AAL0049
    Availability:
    Ships Same Business Day
    Weight:
    4.31 LBS
    LINEAR SPRING RATE IMPERIAL:
    274.00 LB/IN
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    SHOT PEENED
    PRODUCT NAME:
    SHOCK SPRING
    SPRING TYPE:
    SINGLE LINEAR RATE
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.33 kg/mm IIU-033

    FACTORY CONNECTION Front Fork Springs - 0.33 kg/mm IIU-033

    FACTORY CONNECTION

    $159.95
    Front fork springs are critical to your suspension's ability to absorb impacts, maintain consistent ride height, and keep your tire contact patch planted through corners. Factory Connection's 0.33 kg/mm springs deliver the precision rate you need to dial...
    IIU033
    SKU:
    IIU033
    Availability:
    Ships Same Business Day
    Weight:
    1.80 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    PAIR
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    FORK
    SPRING RATE IMPERIAL:
    18.50 LB/IN
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Fork Seal Kit for KYB Forks - Fits all 46 mm Kayaba forks FCF-46U

    FACTORY CONNECTION Fork Seal Kit for KYB Forks - Fits all 46 mm Kayaba forks FCF-46U

    FACTORY CONNECTION

    $39.95
    Fork seal degradation is one of the most common causes of premature fork failure and poor suspension performance. The Factory Connection FCF-46U Fork Seal Kit addresses this directly with a precision-engineered redesign that dramatically extends seal...
    FCF46U
    SKU:
    FCF46U
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    INSIDE DIAMETER METRIC:
    44.47 MM
    MATERIAL:
    RUBBER
    OUTSIDE DIAMETER METRIC:
    58.10 MM
    PRODUCT NAME:
    FORK SEAL
    RIDING STYLE:
    OFF-ROAD
    THICKNESS IMPERIAL:
    0.45'
    THICKNESS METRIC:
    11.50 MM
    UNITS:
    KIT
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • FACTORY CONNECTION High-Speed Compression Damping Adjuster Spring HSSS

    FACTORY CONNECTION High-Speed Compression Damping Adjuster Spring HSSS

    FACTORY CONNECTION

    $19.95
    When you're hitting high-speed technical terrain, your suspension needs to respond instantly to unpredictable impacts—roots, rocks, and square-edged holes demand immediate damping control. The FACTORY CONNECTION High-Speed Compression Damping Adjuster...
    HSSS
    SKU:
    HSSS
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    SILVER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SHOCK
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SPRING
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 269 lbs/in ALN-0048

    FACTORY CONNECTION Shock Spring - Spring Rate 269 lbs/in ALN-0048

    FACTORY CONNECTION

    $159.95
    Suspension tuning demands precision, and compromised spring rates mean inconsistent handling and accelerated wear on your dampers. The FACTORY CONNECTION Shock Spring delivers repeatable performance through meticulous CNC manufacturing and heat...
    ALN0048
    SKU:
    ALN0048
    Availability:
    Ships Same Business Day
    Weight:
    4.63 LBS
    COLOR/FINISH:
    SHOT PEENED
    SPRING TYPE:
    SINGLE LINEAR RATE
    MOUNTING POSITION:
    REAR
    LINEAR SPRING RATE IMPERIAL:
    269.00 LB/IN
    PRODUCT NAME:
    SHOCK SPRING
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 290 lbs/in ALN-0052

    FACTORY CONNECTION Shock Spring - Spring Rate 290 lbs/in ALN-0052

    FACTORY CONNECTION

    $159.95
    Precision suspension tuning demands a shock spring that can handle repeated compression cycles without degradation or rate drift. The Factory Connection ALN-0052 delivers consistent spring rates through advanced manufacturing and heat treatment, ensuring...
    ALN0052
    SKU:
    ALN0052
    Availability:
    Ships Same Business Day
    Weight:
    4.63 LBS
    PRODUCT NAME:
    SHOCK SPRING
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    SHOT PEENED
    MOUNTING POSITION:
    REAR
    SPRING TYPE:
    SINGLE LINEAR RATE
    LINEAR SPRING RATE IMPERIAL:
    290.00 LB/IN
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 324 lbs/in ALN-0058

    FACTORY CONNECTION Shock Spring - Spring Rate 324 lbs/in ALN-0058

    FACTORY CONNECTION

    $159.95
    Precise suspension tuning demands a shock spring engineered to exact specifications—and this FACTORY CONNECTION unit delivers consistent, predictable performance lap after lap. With a 324 lbs/in spring rate, you gain the responsiveness needed for...
    ALN0058
    SKU:
    ALN0058
    Availability:
    Ships Same Business Day
    Weight:
    4.81 LBS
    COLOR/FINISH:
    SHOT PEENED
    RIDING STYLE:
    OFF-ROAD
    SPRING TYPE:
    SINGLE LINEAR RATE
    MOUNTING POSITION:
    REAR
    UNITS:
    EACH
    LINEAR SPRING RATE IMPERIAL:
    324.00 LB/IN
    PRODUCT NAME:
    SHOCK SPRING
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 295 lbs/in AAL-0053

    FACTORY CONNECTION Shock Spring - Spring Rate 295 lbs/in AAL-0053

    FACTORY CONNECTION

    $159.95
    Suspension performance hinges on spring consistency, and this Factory Connection shock spring delivers the precision engineering required for predictable handling and repeatability across every lap. Built with cold-wound CNC accuracy and heat-tempered...
    AAL0053
    SKU:
    AAL0053
    Availability:
    Ships Same Business Day
    Weight:
    4.63 LBS
    COLOR/FINISH:
    SHOT PEENED
    SPRING TYPE:
    SINGLE LINEAR RATE
    UNITS:
    EACH
    LINEAR SPRING RATE IMPERIAL:
    295.00 LB/IN
    RIDING STYLE:
    OFF-ROAD
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SHOCK SPRING
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 308 lbs/in AAL-0055

    FACTORY CONNECTION Shock Spring - Spring Rate 308 lbs/in AAL-0055

    FACTORY CONNECTION

    $159.95
    A properly tuned suspension starts with the right spring rate, and the Factory Connection 308 lbs/in shock spring delivers consistent, predictable performance across varied track conditions. Whether you're dialing in a dirt bike setup or fine-tuning your...
    AAL0055
    SKU:
    AAL0055
    Availability:
    Ships Same Business Day
    Weight:
    4.60 LBS
    PRODUCT NAME:
    SHOCK SPRING
    UNITS:
    EACH
    COLOR/FINISH:
    SHOT PEENED
    RIDING STYLE:
    OFF-ROAD
    SPRING TYPE:
    SINGLE LINEAR RATE
    LINEAR SPRING RATE IMPERIAL:
    308.00 LB/IN
    MOUNTING POSITION:
    REAR
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 319.19 lbs/in AAL-0057

    FACTORY CONNECTION Shock Spring - Spring Rate 319.19 lbs/in AAL-0057

    FACTORY CONNECTION

    $159.95
    Precision shock springs are the foundation of predictable suspension geometry—without proper spring rates, even the best dampers and geometry can't deliver consistent performance. The FACTORY CONNECTION Shock Spring (AAL-0057) is engineered for racers...
    AAL0057
    SKU:
    AAL0057
    Availability:
    Ships Same Business Day
    Weight:
    4.56 LBS
    PRODUCT NAME:
    SHOCK SPRING
    COLOR/FINISH:
    SHOT PEENED
    RIDING STYLE:
    OFF-ROAD
    SPRING TYPE:
    SINGLE LINEAR RATE
    UNITS:
    EACH
    LINEAR SPRING RATE IMPERIAL:
    319.19 LB/IN
    MOUNTING POSITION:
    REAR
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Shock Spring - Spring Rate 330 lbs/in AAL-0059

    FACTORY CONNECTION Shock Spring - Spring Rate 330 lbs/in AAL-0059

    FACTORY CONNECTION

    $159.95
    A properly-tuned shock spring is foundational to suspension performance—it directly affects ride height, load transfer, and how your vehicle responds under acceleration and braking. The FACTORY CONNECTION 330 lbs/in spring delivers precise rate...
    AAL0059
    SKU:
    AAL0059
    Availability:
    Ships Same Business Day
    Weight:
    4.30 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHOCK SPRING
    UNITS:
    EACH
    COLOR/FINISH:
    SHOT PEENED
    LINEAR SPRING RATE IMPERIAL:
    330.00 LB/IN
    MOUNTING POSITION:
    REAR
    SPRING TYPE:
    SINGLE LINEAR RATE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • On Sale
    FACTORY CONNECTION High Performance Piston Bushing Set FBPISTONSET48WP

    FACTORY CONNECTION High Performance Piston Bushing Set FBPISTONSET48WP

    FACTORY CONNECTION

    MSRP: $44.00
    Now: $28.00
    Was: $44.00
    Fork stiction robs your suspension of responsiveness, forcing you to compensate with setup changes that never quite feel right. The FACTORY CONNECTION High Performance Piston Bushing Set eliminates this problem at the source, delivering consistently...
    04500053
    SKU:
    04500053
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    MOUNTING POSITION:
    OUTER
    UNITS:
    SET
    PRODUCT NAME:
    PISTON BUSHING KIT
    MOUNTING POSITION:
    INNER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    MSRP: $44.00
    Now: $28.00
    Was: $44.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $44.00
    Now: $28.00
    Was: $44.00
    Subtotal:
  • On Sale
    FACTORY CONNECTION Front Fork Springs - 0.27 kg/mm IIU-027

    FACTORY CONNECTION Front Fork Springs - 0.27 kg/mm IIU-027

    FACTORY CONNECTION

    MSRP: $149.99
    Now: $102.00
    Was: $149.99
    Precision fork performance hinges on consistent spring rates that maintain proper suspension geometry throughout your ride. Factory Connection front fork springs are engineered to deliver predictable damping characteristics lap after lap, eliminating the...
    04050161
    SKU:
    04050161
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    PRODUCT NAME:
    SPRING KIT
    SPRING RATE IMPERIAL:
    15.10 LB/IN
    UNITS:
    PAIR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    MSRP: $149.99
    Now: $102.00
    Was: $149.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $149.99
    Now: $102.00
    Was: $149.99
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LRA-046

    FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LRA-046

    FACTORY CONNECTION

    $159.95
    Precise suspension tuning demands fork springs engineered to exacting standards—and FACTORY CONNECTION delivers exactly that. These 0.46 kg/mm LRA springs are cold-wound on CNC equipment and heat-tempered for consistent performance lap after lap. Whether...
    04050167
    SKU:
    04050167
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    PRODUCT NAME:
    SPRING KIT
    SPRING RATE IMPERIAL:
    25.80 LB/IN
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.48 kg/mm LRA-048

    FACTORY CONNECTION Front Fork Springs - 0.48 kg/mm LRA-048

    FACTORY CONNECTION

    $159.95
    Precise suspension geometry demands fork springs that deliver consistent performance lap after lap—and Factory Connection's 0.48 kg/mm springs are engineered to do exactly that. Built with CNC-wound precision and heat-tempered for durability, these...
    04050168
    SKU:
    04050168
    Availability:
    Ships Same Business Day
    Weight:
    2.61 LBS
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    SPRING RATE IMPERIAL:
    26.90 LB/IN
    UNITS:
    PAIR
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • FACTORY CONNECTION Front Fork Springs - 0.50 kg/mm LRA-050

    FACTORY CONNECTION Front Fork Springs - 0.50 kg/mm LRA-050

    FACTORY CONNECTION

    $159.95
    Front fork springs are critical to suspension geometry and handling precision—incorrect rates lead to poor damping, inconsistent bottoming, and compromised cornering performance. The FACTORY CONNECTION LRA-050 delivers repeatable, fatigue-resistant...
    04050169
    SKU:
    04050169
    Availability:
    Ships Same Business Day
    Weight:
    2.94 LBS
    SPRING RATE IMPERIAL:
    28.00 LB/IN
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FORK
    UNITS:
    PAIR
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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