Standard Conventional Spring - 16" Length | 5" OD | 50lbs/inch 6th Coil Part Number: 140-300-450

Part Number: 140-300-450

Part Number: 080-500-550 F

The Assist Springs

also known as droop travel

USRA and UMP Modified with an outer diameter of 5"

Standard Conventional Spring - 16" Length | 5" OD | 50lbs/inch 6th Coil Part Number: 140-300-450Swift conventional springs are mainly utilized in motorsports ranging anywhere from dirt to pavement where we've engineered for corner specific with our HS5. TW proprietary material, providing the optimal spring design to maximize your vehicle potential amplifying every advantage. Our 5" OD are engineered corner specific springs with an optimal design to maximize vehicle potential on the track. Finely tuned instruments of victory for oval track glory!