Bulletproof 16" Rear Coil Spring

The K-Tuned 160-500-100 BP, part of Swift Springs' Bulletproof series, is a rear conventional coil spring engineered for motorsports. Crafted from steel with a durable copper powder coat finish, it measures 16 inches in length with a 5-inch outer diameter and boasts a spring rate of 100 lbs/in. Swift Springs, a division of Tokyo Hatsujo Manufacturing Co., Ltd., has been a leader in spring technology since 1924. The Bulletproof series aims to provide lightweight, durable, and cost-effective springs with highly linear characteristics. These springs are designed to maximize vehicle potential, particularly in cornering, utilizing Swift's proprietary HS5.TW material. The 16-inch length springs feature a barrel design to prevent bowing, a common issue with straight springs, while maintaining a lightweight profile due to advanced coiling technology. Key specifications include a 16-inch length, 5-inch outer diameter, 100 lb/in spring rate, 12.5 inches of usable stroke, and a maximum load capacity of 1,252 lbs. This coil spring is sold individually.