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Superior
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The Superior 18-1201 Spring Booster, 2-pk, provides a heavy-duty solution for adjusting coil springs. With no special tools required, these metal spring boosters can spread coils apart or tighten coils together. Simply place a booster on each end of the coil spring and tighten the center bolt to achieve the desired tension adjustment. For best results, use two spring locks per coil. Re-check installation after 400 km. The 18-1201 kit contains two up/down coil spring locks to optimize suspension performance.
Superior 18-1201 Spring Booster features heavy duty metal construction
Can be used to tighten coils together or spread coils apart
No special tools needed
For optimal results, use 2 locks per coil spring
Re-check installation after 400 kms
Package includes 2 up/down locks