Standard Conventional Progressive Spring - 20" Length | 5" OD | 225lbs/inch 5.5" OD Part Number: 950-550-950

Part Number: 950-550-950

Part Number: SBS0700 S

Max Load : 308lbs

Part Number: 080-188-050

Standard Conventional Progressive Spring - 20" Length | 5" OD | 225lbs/inch 5.5" OD Part Number: 950-550-950Swift 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. The Progressive Springs were developed to eliminate the need for spring rubbers to help keep consistency on the right rear of a Dirt Late Model. A true progressive rate!