GSC P-D Viton 6mm Valve Stem Seal Set Subaru WRX 2015-2021 | 1023 Wheel Offset_42mm factory head bolts can become

factory head bolts can become a weak point

Each pump is tested to flow 340 lph @ 43 PSI

Part #: 467-880-8035HS

If you're in need of an oil drain kit

GSC P-D Viton 6mm Valve Stem Seal Set Subaru WRX 2015-2021 | 1023 Wheel Offset_42mm factory head bolts can becomeProduct Fitment: 2015 2021 Subaru WRX Optimize your Subaru WRX engines reliability with this premium set of Viton valve stem seals from GSC Power Division. These seals are crafted from high temperature fluoroelastomer material to withstand the added heat and stress that comes with performance driving. Sold as a complete set of 16 (intake & exhaust), this upgrade is ideal when performing a valvetrain overhaul, installing aftermarket springs, or simply