QA1 5Q74-10 5Q Series Twin Tube Circle Track Shock 7in Stroke 4C/10R

The QA1 5Q74-10 is a large body steel twin tube circle track shock designed for Street Stock, Hobby Stock, B-Mod/Sport Mod, and Modified racing applications. Formerly known as the 51 Series, this bearing mount shock features a 7-inch stroke with 4 compression and 10 rebound valving, providing optimal performance on dry-slick dirt and asphalt tracks where traction is limited.

Performance Features:

• Two-piece steel body design allows quick disassembly and reassembly for easy maintenance
• Black zinc coating ensures consistent finish and tight seal every time
• High-quality raw aluminum pistons minimize variations found in anodized parts
• Laser-engraved, black-anodized closure nut makes serial numbers and valving easy to read at the track
• Scalloped base loop increases clearance in tight areas like upper control arms and shock mounts
• Upgraded seal kit minimizes leaks, especially in high-rebound applications

Rebuildable and Tunable:

• Racers can rebuild and re-valve shocks in minutes using basic tools
• Compression tube uses slip fit design to simplify rebuild process
• Gland features relief cuts and hyper screw port for easy filling and bleeding
• Valve with bleed shims or drill out bleeds to maximize tunability
• Compatible with coil-over configurations using appropriate kits (sold separately)

Designed for professional racers who demand performance, consistency, and tunability, the 5Q74-10 delivers exceptional grip and feel on slick track conditions.