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Front and Rear: 4.5kg/mm, 252 Lbs/Inch
Front: -30mm/ -1.2 Inch
Rear: -28mm / -1.1 Inch
Swift made Sport Springs Spec-R is made for true track racing enthusiasts that wants to take their vehicle to the next level. Sport Springs Spec-R is engineered with 2 main characteristics.
1 Redesign lowering ride height to maximize the suspension performance allowing the vehicle to fully absorb road condition for maximum traction.
2 Increase in spring rate to further enhance cornering speed through entry and exit. The increase in spring rate is based on the vehicle factory stock valving settings. Sport Springs Spec-R is increase to the optimal rate that the stock shocks can handle. Higher performance shocks are not required, but recommended.
Spec R springs are wound with the same engineering as our sports springs. With the exception of stiffer rates and slight change in ride height; you can expect the same characteristics as our sports springs.