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 Dual Rate Shock Springs Harley-Davidson Disc Glide FXDG Fit Progressive Suspension 412 and 440 series shocks 70/120 spring rate Spring tool like 910-144 required to replace springs Chrome 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 Lowering Kits for Harley-Davidson Dyna  An easy and inexpensive way to drop the front end one or two inches Includes progressively-wound fork springs, spacers, and lowering components Fits models equipped with 39mm Showa forks Made in the...

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...

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...

Progressive Suspension Heavy Duty 422 Series Shocks Steel-bodied, monotube dampers, wrapped with a black powder-coated, progressive-rate steel coil spring The dampers feature a nitrogen charge that eliminates cavitation and creates a consistent ride performance with no fading The 422 series...

Progressive Suspension Heavy Duty 422 Series Shocks with RAP Steel-bodied, monotube dampers, wrapped with a black powder-coated, progressive-rate steel coil spring The dampers feature a nitrogen charge that eliminates cavitation and creates a consistent ride performance with no fading The...

Progressive Suspension Heavy Duty Stock Length Fork Springs Harley-Davidson This Heavy Duty version of the 'Original' Progressive Rate Fork Springs soak up the small road bumps, and improve front end stability as well as increase comfort for heavier riders or...

Progressive Suspension High Performance Monotube Cartridge Fork Kit  Take your suspension to the next level with these high performance, tunable,monotube cartridge fork shocks Based on Progressive's proven monotube fork cartridge design Enjoy improved front end control and ride comfort by...

Kits utilize Progressive Suspension's experience and knowledge to provide exact model applications Progressively wound for more comfort and control over a variety of road surfaces Lower forks up to 1" Kits come complete with springs, spacers and installation instructions Made...

Converts dual damper rod forks to high-performance cartridge forks Contains a pair of high-performance, gas-charged mono-tube fork cartridges and custom-tuned fork springs Improves resistance to front brake dive, front end stability, cornering and bottoming control No modification for forks required...

Progressive Suspension Monotube Cartridge Fork Kit  Progressive Suspension is proud to release their proven Fork Monotube design Enjoy improved front end control and ride comfort by converting your archaic dual Damper rod forks to true high performance monotube dampers This...