QA1 CK5005 Coil-Over Sleeve Kit 2-1/2in Spring 6in & 7in Steel Shock 20/26/28/50 Series

The QA1 CK5005 Coil-Over Sleeve Kit is designed for circle track and performance applications, converting compatible QA1 steel shocks into a fully functional coil-over setup. This kit is engineered specifically for use with QA1 20, 26, 26A, 26V, 28, 28A, 28V, and 50 Series steel shocks paired with 2-1/2" inner diameter springs in either 6" or 7" lengths.

What's Included (may vary by application):

• Aluminum sleeve — lightweight and durable construction
• Spring cap — secures the top of the coil spring
• Spring seat adjuster nut — allows ride height and spring preload adjustment
• Spring cap retainer pin — locks the spring cap securely in place
• Jam nut — locks adjuster nut position after tuning
• Snap rings — retention hardware for assembly
• Wire ties — for secure component management

Key Specifications:

• Spring I.D.: 2-1/2" (2.500")
• Compatible spring lengths: 6" and 7"
• Shock compatibility: QA1 20, 26, 26A, 26V, 28, 28A, 28V, and 50 Series
• For use with steel shocks
• Components included for one shock

QA1 is an American manufacturer specializing in high-performance suspension components including shock absorbers, springs, rod ends, and spherical bearings — serving the circle track, drag racing, street performance, and street rod markets.