Swift Springs Coilover Helper Springs - ID: 25mm (1") / Length: 6" hks-hipermax-d-nob-spec-coilovers optimized for the GR86's double-wishbone

optimized for the GR86's double-wishbone rear and MacPherson strut front suspension

Part Number R353-175 Part Name Coilover Conversion Kit UPC 806990113566 Vehicle 1968-1970 Dodge Coronet Adjustment Type 2-Way Spring Rate 175 lbs/in Third Member Included No Axle Shafts Included No Upper Control Arms Included No Lower Control Arms Included No Air Bags Included No Rear Shocks/Struts Included Yes Coilover Springs Included Yes Spring Finish Black Suspension Package Finish Black Powdercoated Bushings Included Yes Bushing Material Spherical Bearing Sway Bar Included No Watts Link Included No Panhard Bar Included No Adjustable Panhard Bar Included No Upper Trailing Arms Included Yes Adjustable Upper Trailing Arms Included Yes Adjustable Upper Trailing Arms Type Double Adjustable Lower Trailing Arms Included Yes Adjustable Lower Trailing Arms Included Yes Adjustable Lower Trailing Arms Type Single Adjustable Trailing Arm Mount Braces Included Yes Trailing Arm Hardware Included Yes Rotors Included No Calipers Included No Vehicle Fitment

2016 Ford Mustang w/o MagneRide (S550)

2008 Audi A4 Quattro

2005 Dodge Magnum RWD V8

Swift Springs Coilover Helper Springs - ID: 25mm (1") / Length: 6" hks-hipermax-d-nob-spec-coilovers optimized for the GR86's double-wishboneSwift Springs Coilover Helper Springs in 25mm (1") ID and 6" length prevent your main coilover spring from dismounting the perch during droop travel, without adding meaningful spring rate to the stack. The 6" free length provides additional droop coverage for setups with longer shock travel, keeping the spring securely seated under negative or zero load conditions. Swift helper springs are precision engineered to have minimal effect on your main