QA1 6Q73-400R Twin Tube Rebuildable Shock Absorber 7in Stroke Rebound Adjustable

The QA1 6Q73-400R is an aluminum large-body twin tube shock absorber designed for circle track racing applications. The threaded body makes it ideal for coil-over configurations with QA1 kits, offering professional racers the performance and adjustability needed for competitive racing.

Key Features:

• Rebound adjustability allows racers to easily dial in valving at the track
• 7-inch stroke with 13.38 inches compressed length and approximately 20.38 inches extended
• 400R digressive rebound valving for consistent performance
• 2.0-inch OD aluminum body construction
• Scalloped base loop increases clearances in tight areas like upper control arms and shock mounts, while high-quality raw aluminum pistons maximize consistency
• Can be valved with bleed shims or drilled bleeds for maximum tunability; racers can re-valve and rebuild shocks in minutes using basic tools
• 100% dyno tested and serialized
• Made in the USA

Perfect for Late Models, Asphalt Modifieds, and Sprint Cars, the QA1 6Q Series shocks deliver unmatched performance, reliability, and ease of maintenance, making them a top choice for serious circle track competitors. The rebuildable design allows for cost-effective maintenance and custom valving adjustments.