DRC Exhaust Springs Pro (Swivel) and Standard (Fixed)

- Quality replacement spring for your exhaust.- One end of the spring swivels for a perfect fit.- Available in 4 different lengths.- Galvanized to prevent corrosion.- 4 springs per pack. Check out these easy to find application charts for your bike. www.zeta-racing.com/bikes/index.html Pro Exhaust Spring Part # Sizing(Length) D31-31-157 57mm(2.28") 4pack D31-31-175 75mm(3") 4pack D31-31-183 83mm(3.32") 4pack D31-31-190 90mm(3.6") 4pack Exhaust Spring >Standard Exhaust Spring SPECIFICATIONS: - Replacement spring for stock exhaust springs.- Available in 4 lengths. - Galvanized to prevent corrosion.- 5 springs per pack. Standard Exhaust Spring Part # Color D31-31-057 57mm(2.28") 5pack D31-31-075 75mm(3") 5pack D31-31-083 83mm(3.32") 5pack D31-31-090 90mm(3.6") 5pack