Availability
It’s all about moving forward at Progressive Suspension where the gang has developed a vast catalog of chassis and suspension parts for your powersports machine....
It’s all about moving forward at Progressive Suspension where the gang has developed a vast catalog of chassis and suspension parts for your powersports machine. Summit Racing provides a large selection of Progressive Suspension parts, including shocks, touring link chassis stabilizers, air/oil springs, oil seal rebuild kits, preload spanner wrenches, coil over springs and kits, fluid measuring devices, torque limiters, fork springs, and other shock and strut components. Get the ride you want. Order your Progressive Suspension chassis and suspension parts from Summit Racing now!
It’s all about moving forward at Progressive Suspension where the gang has developed a vast catalog of chassis and suspension parts for your powersports machine. Summit Racing provides a large selection of Progressive Suspension parts, including shocks, touring link chassis stabilizers, air/oil springs, oil seal rebuild kits, preload spanner wrenches, coil over springs and kits, fluid measuring devices, torque limiters, fork springs, and other shock and strut components. Get the ride you want. Order your Progressive Suspension chassis and suspension parts from Summit Racing now!
Showing In Stock Items. Show All 494 Items.
Fork Cartridge Kit, Monotube, Stock Height, Harley-Davidson®, Kit
Part Number: PGR-31-2500
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Motorcycle Shocks, 422 Series, Chrome, Harley-Davidson®, Pair
Part Number: PGR-422-4035C
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Fork Cartridge Kit, Monotube, Lowered 1 in., for use on Honda®, Kit
Part Number: PGR-31-2511
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Motorcycle Shocks, 422 Series, 1,117 lbs./in. Spring Rate, 12.230 in. Length, Eyelet Ends, Chrome, Pair
Part Number: PGR-422-4001C
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Motorcycle Shocks, 944 Series, 13 in. Length, 11.25 in. Ride Height, Eyelet Ends, Black, Standard Spring Rate, Harley-Davidson®, Pair
Part Number: PGR-944-4002UT
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Motorcycle Shocks, 412 Series, 105/150 lb./in. Spring Rate, 13.000 in. Length, Eyelet Ends, Black, Pair
Part Number: PGR-412-4077B
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Suspension, 422-4002C Softl 00-11 Hd Shock
Part Number: PGR-422-4002C
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Motorcycle Shocks, 422 Series, 950 lb./in. Spring Rate, 10.650 in. Length, Eyelet Ends, Chrome, Pair
Part Number: PGR-422-4037C
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Motorcycle Shocks, 412 Series, 75/120 lb./in. Spring Rate, 13.000 in. Length, Eyelet Ends, Black, Pair
Part Number: PGR-412-4065B
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Motorcycle Shocks, 412 Series, 125/170 lb./in. Spring Rate, 12.00 in. Length, Eyelet Ends, Black, Pair
Part Number: PGR-412-4080B
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Fork Component, Monotube Fork Cartridge, Harley-Davidson®, Kit
Part Number: PGR-31-2502
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Spanner Wrench, Steel, Zinc Coated, Each
Part Number: PGR-SW-783
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spanner Wrench, Steel, Zinc Coated, Each
Part Number: PGR-SW-1700
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Shocks, 444 Series, 90/130 lbs./in., 13.000 in. Length, Steel, Black Powdercoat Spring, Pair
Part Number: PGR-444-4002B
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Shocks, 444 Series, 270/315 lbs./in., 12.000 in. Length, Steel, Chrome Plated Spring, Pair
Part Number: PGR-444-4240C
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Shocks, 444 Series, 105/150 lbs./in., 13.000 in. Length, Steel, Black Powdercoat Spring, Pair
Part Number: PGR-444-4020B
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Shock Tool, Standard, Each
Part Number: PGR-32-5508
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Fork Lowering Springs, Harley-Davidson®, Motorcycles, Kit
Part Number: PGR-10-1561
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fork Component, Monotube Fork Cartridge, Harley-Davidson®, Kit
Part Number: PGR-31-2501
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Fork Springs, Progressive, 35/50 lbs./in., 1.200 in. Diameter, 18.50 in. Length, Pair
Part Number: PGR-11-1124
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Motorcycle Shocks, 412 Series, 75/120 lb./in. Spring Rate, 14.260 in. Length, Eyelet Ends, Black, Pair
Part Number: PGR-412-4024B
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Motorcycle Shocks, 412 Series, 125/170 lb./in. Spring Rate, 12.00 in. Length, Eyelet Ends, Chrome, Pair
Part Number: PGR-412-4251C
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Motorcycle Shocks, 412 Series, 115/155 lb./in. Spring Rate, 11.50 in. Length, Eyelet Ends, Black, Pair
Part Number: PGR-412-4074B
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Fork Component, Monotube Fork Cartridge, Harley-Davidson®, Kit
Part Number: PGR-31-2503
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Fork Component, Monotube Fork Cartridge, Harley-Davidson®, Kit
Part Number: PGR-31-2504
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
