2012+ Subaru WRX Piston Rings by SupertechSupertech Piston rings are manufactured in Japan with the lasted technology for high performance applicationsFeatures93mm Bore1.2x3.30mm / 1.5x3.7mm / 4.0x 3.65mmGas NitridedBenefitsHeat ConductionExcellent wear re
Supertech Piston rings are manufactured in Japan with the lasted technology for high performance applications
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