Best Consistent Damping Force

Progressive Suspension 412-4062B Black Anodized Finish 11

Durable design means they will be an improvement to your motorcycle's suspension performance.
All steel double wall damper with multistage velocity sensitive damping.
High pressure gas charged for consistent damping performance.

Progressive Suspension 412-4063B Black Anodized Finish 11.5

Durable design means they will be an improvement to your motorcycle's suspension performance.
All steel double wall damper with multistage velocity sensitive damping.
High pressure gas charged for consistent damping performance.

Progressive Suspension 412-4068C Chrome 12

Steel double wall damper with multistage velocity sensitive damping.
High pressure gas charged for consistent damping performance.
Standard progressive rate spring in chrome finish.
The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.

Progressive Suspension 412-4002C Chrome 13

Steel double wall damper with multistage velocity sensitive damping.
High pressure gas charged for consistent damping performance.
Standard progressive rate spring in chrome finish.
The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.

Progressive Suspension 412-4008B Black 13

Steel double wall damper with multistage velocity sensitive damping.
High pressure gas charged for consistent damping performance.
Standard progressive rate spring in black finish.
The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.

ACDelco Professional 38108 Drive Belt Tensioner Assembly with Pulley

ensures proper belt tension, alignment, and damping for superior performance.
patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use.
torsional round spring design provides consistent tension and does not allow contamination for enhanced durability.
provides full line coverage for domestic, import, and heavy duty applications.

Progressive Suspension 412-4036B Black 12\ Standard Replacement Rear Suspension Shock

Steel double wall damper with multistage velocity sensitive damping.
High pressure gas charged for consistent damping performance.
Standard progressive rate spring in black finish.
The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance.

ACDelco Professional 38158 Drive Belt Tensioner Assembly with Pulley

Ensures proper belt tension, alignment, and damping for superior performance.
Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use.
Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability.
Provides full line coverage for domestic, import, and heavy duty applications.Made from high-quality materials for ultimate durability..

ACDelco Professional 38409 Drive Belt Tensioner Assembly with Pulley and 2 Bolts

Ensures proper belt tension, alignment, and damping for superior performance.
Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use.
Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability.
Provides full line coverage for domestic, import, and heavy duty applications.