2018 Subaru WRX STI equipped with 2.5L H4 Gas DOHC Turbo
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Head Bolts Must be Replaced Aftermarket Design Head Bolts Not Included PermaTorqueMLS LaserWeld Technology Head Gasket(s) Included
2018 Subaru WRX STI equipped with 2.5L H4 Gas DOHC Turbo
Head Bolts Must be Replaced Aftermarket Design Head Bolts Not Included PermaTorqueMLS LaserWeld Technology Head Gasket(s) Included