Progressive Suspension PS-990-1001 990 Sport Series 12.5" Rear Shock Absorbers Black w/Piggyback Reservoir for Dyna 91-17

The most adjustable shock in the V-Twin market, the 990 Sport series shock features complete adjustability with a 0.4” adjustable height eyelet, rebound damping adjustment, High & Low Speed compression damping adjustment via easily accessible knobs, and threaded hand adjustable spring preload. The 990 features a high-pressure monotube with deflective disc damping routed through two unique circuits delivering a consistent feel through the damper stroke for improved performance and stability. Our new and improved engineered jounce bumper features a captured design to help smooth and control bottoming. Every shock is hand-built, tuned and dyno tested in our facility and come with a Limited Lifetime Warranty. Engineered for aggressive sport inspired riders, the 990 sets the mark for excellence on your V-Twin motorcycle.

Features
• Adjustable Height Eyelet - 0.4”
• Adjustable Rebound Damping
• Adjustable Preload by Hand
• Adjustable High & Low Speed Compression
• High Pressure Gas Monotube
• Deflective Disc Damping
• Lightweight Aluminum Body
• Linear Rate Coil Spring
• Captured Jounce Bumper