PROGRESSIVE SUSPENSION Shock Springs for 12-Series & 412-Series — 248 mm (9.75") length, Rear fitment, 1.34–2.14 kg/mm (75–120 lb/in)
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SELECT YOUR VEHICLE TO VERIFY THE FITMENT
Select springs for fine tuning. Made in the U.S.A. Required with 12-series shocks; fits 412-series.