Helix 639 Performance Shock Absorber Loop to Extended Loop - 375mm

The Helix 639 is a high-performance 375mm (14.76") nitrogen-charged shock absorber engineered for demanding street and performance applications. Constructed from hardened steel with a polished silver finish, this shock combines durability with classic styling.

Key Features:

• 375mm (14.76") overall length shock absorber
• Nitrogen-charged for consistent damping performance and reduced fade
• Performance street valving tuned for responsive handling and ride quality
• Hardened steel construction with polished silver finish
• Loop-style upper mounting for secure installation
• Extended loop lower mounting configuration
• Limited lifetime warranty with toll-free technical support

Designed for enthusiasts seeking an upgrade from stock suspension components, the Helix 639 delivers improved handling characteristics while maintaining street-friendly ride quality. The nitrogen charging helps maintain consistent damping performance across varying temperatures and driving conditions, while the hardened steel construction ensures long-term durability.