QA1 63 Series Sealed Threaded Body Twin Tube Shock Absorber - 9in Stroke - 5-500 Valving - Aluminum

QA1 is well-known for making performance suspension components, and their 63 Series shock absorber is a solid option for racers and performance builders. This particular shock features a twin tube design, which is great for giving you a good feel for the track and maintaining grip across various conditions. It's built with an aluminum body and has a sealed construction, making it a durable choice.

With a 9-inch stroke, this shock absorber offers a compressed height of 15.38 inches and an extended height of 24.30 inches. The valving is set at 5-500, and each unit is individually dyno'd and serialized to ensure it meets specifications. It's also made in the USA, which is a notable detail for many builders. This shock is a popular choice for sanctioning bodies that want to control costs while still offering a capable suspension component.