Double adjustable shock absorber offers more adjustability over a wide range to the serious rider or racer. From street riding to road racing, the 8983 is guaranteed to improve your bikes handling. Fits most all CARC & V11S (Spine Frame) Guzzi. All Penske shocks are custom built to order. We will be in touch after you order for your specifications. The 8987 Series (not shown) triple adjustable shock absorber - $1225 + shipping (contact us to order). This shock has been the benchmark for years in motorcycle racing. Please allow 3-4 weeks for delivery, custom built to order ONLY - ALL CUSTOM BUILT-TO-ORDER Shocks subject to a 20% restock fee if cancelled after built and shipped from the Manufacturer.