Progressive Suspension 422 Series Shocks for Harley-Davidson Bad Boy FXSTSB The new 422 series shock absorbers are a pair of steel-bodied, monotube dampers, wrapped with a black powder-coated, progressive-rate steel coil spring The dampers feature a nitrogen charge that eliminates...

Progressive Suspension 444 Black 12" Standard Duty Shocks for Harley-Davidson After more than a decade of ruling the roads with their famous 440 Series shocks with IAS, Progressive Suspension has unveiled another breakthrough design It is dubbed Frequency Sensing Technology...

Progressive Suspension 444 Black 13" Heavy Duty Shocks After more than a decade of ruling the roads with their famous 440 Series shocks with IAS, Progressive Suspension has unveiled another breakthrough design It is dubbed Frequency Sensing Technology (FST) for...

Progressive Suspension 444 Black 13" Shocks for Harley-Davidson Dyna After more than a decade of ruling the roads with their famous 440 Series shocks with IAS, Progressive Suspension has unveiled another breakthrough design It is dubbed Frequency Sensing Technology (FST)...

Feature the all-new Frequency Sensing Technology (FST) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality Deflective disc valving Adjust spring pre-load by hand, no special tool needed Include a...

Progressive Suspension 490 Sport Series Shocks for Harley-Davidson Dyna True sport performance shock High-pressure monotube with deflective disk damping technology Hand threaded preload and rebound adjustment Allows riders to fine tune the damping and consistently withstand extreme temperature ranges and...

Progressive Suspension 490 Sport Series Shocks for Harley-Davidson Dyna True sport performance shock High-pressure monotube with deflective disk damping technology Hand threaded preload and rebound adjustment Allows riders to fine tune the damping and consistently withstand extreme temperature ranges and...

Progressive Suspension 490 Sport Series Shocks for Harley-Davidson Forty Eight True sport performance shock High-pressure monotube with deflective disk damping technology Hand threaded preload and rebound adjustment Allows riders to fine tune the damping and consistently withstand extreme temperature ranges...

Progressive Suspension Custom Short Shock Covers  Chrome-plated, full-lenght covers For 11" Progressive Suspension custom short shocks This item fits:  See Compatible Vehicles Above Handling Time: Handling time on all items is 1 business day. Business days are Monday - Friday excluding holidays....

Progressive Suspension Drop-In Front Fork Lowering System  This fork Lowering Kit has transformed a once messy, and time consuming install into an easy install Pull up to two inches out of the front end of your bike without the hassle...

Progressive Suspension Drop-In Front Fork Lowering System Harley-Davidson This fork Lowering Kit has transformed a once messy, and time consuming install into an easy install Pull up to two inches out of the front end of your bike without the...

Progressive Suspension Dual Rate Shock Springs for BMW R100 Fit Progressive Suspension 412 and 440 series shocks 105/150 spring rate Spring tool like 910-144 required to replace springs Black finish This item fits:  See Compatible Vehicles Above Handling Time: Handling...

Progressive Suspension Dual Rate Shock Springs for BMW R100  Fit Progressive Suspension 412 and 440 series shocks 105/150 spring rate Spring tool like 910-144 required to replace springs Chrome finish This item fits:  See Compatible Vehicles Above Handling Time: Handling...

Progressive Suspension Dual Rate Shock Springs for Harley-Davidson Disc Glide  Fit Progressive Suspension 412 and 440 series shocks 125/170 spring rate Spring tool like 910-144 required to replace springs Black finish This item fits:  See Compatible Vehicles Above Handling Time:...

Progressive Suspension Fork Cartridge Kit (1" & 2" low) for Harley-Davidson True high performance front suspension has finally made its way to the 2016 + HD Sportster line Progressive Suspension's state of the art Monotube Fork Kit represents the peak...

Progressive Suspension Fork Oil Level Adjuster  Used to accurately set oil level when changing fork oil Also can be used as an aid in fine tuning the fork oil levels Easily adjust high to low compression fork settings Allows variation...

Progressive Suspension Fork Oil Leveler Adjust fork oil perfectly and inexpensively Rugged design with accurate measuring scale to adjust fork oil height The built-in memory device eliminates guesswork to perfectly match fluid levels in each fork tube 60cc (2 oz)...

Progressive Suspension Fork Spring Kit  The 'Original' Progressive Rate Fork Springs soak up the small road bumps, yet are firm enough to absorb the molar-rattling ones Spring rates have been chosen to reduce front end "dive"during braking, yet still provide...

Progressive Suspension Fork Spring Kit Progressive Suspension Fork Spring Kits soak up the small road bumps, yet are firm enough to absorb the molar-rattling ones Spring rates have been chosen to reduce front end "dive" during braking and still provide...

Progressive Suspension Fork Spring Kit-Lowered  Available for most models These kits, when combined with shorter than stock rear shocks, will give you that low, custom look Comes complete with Fork Springs, spacers, and instructions. Spring rates have been chosen to...

Progressive Suspension Fork Springs for Honda CB1000 Progressive Suspension springs offer a soft initial spring rate for a plush ride Progressively wound design provides increased resistance to bottoming as the spring compresses Improves your handling while retaining the OEM geometry...

Progressive Suspension Fork Springs for Honda CBR1000F Progressive Suspension springs offer a soft initial spring rate for a plush ride Progressively wound design provides increased resistance to bottoming as the spring compresses Improves your handling while retaining the OEM geometry...

Progressive Suspension Fork Springs for Honda Elite 80 Progressive Suspension springs offer a soft initial spring rate for a plush ride Progressively wound design provides increased resistance to bottoming as the spring compresses Improves your handling while retaining the OEM...

True sport performance shocks Feature a high-pressure monotube with deflective disc-damping technology, hand threaded pre-load and rebound adjustment Linear rate spring allows riders to fine tune the damping and consistently withstand extreme temperature ranges and heavy loads Engineered jounce bumper...