QA1 Mod Series Twintube Double Adjustable Shock - 14.88 in Compressed / 23.63 in Extended - 2.00 in OD - Black Anodized M911CL NC002015A Harmonic Balancer Bolt

Harmonic Balancer Bolt

Five Star designs and manufactures parts for Circle Track and are the leading producer of Fiberglass Bodies

Royal Purple® Motor Oil is compatible with other mineral and synthetic motor oils

Filter Sock Inlet

5 in Tailpipe

QA1 Mod Series Twintube Double Adjustable Shock - 14.88 in Compressed / 23.63 in Extended - 2.00 in OD - Black Anodized M911CL NC002015A Harmonic Balancer BoltDon't be limited to adjustments! Completely re valve in minutes with the MOD Series shock. Designed specifically to meet the demands required by today's high performance drag race and handling pro touring cars, QA1's multi patent pending MOD Series shock will transform the way racers respond to changing track conditions and configurations. The key element to this tunability is QuickTune Technology: dry modular valve packs that can easily be swapped