Mahle PowerPak 100mm Bore Piston and Ring Kit Subaru WRX / STI EJ25 2004-2021 Wheel Color_Gunmetal HS02N3ZGIT

HS02N3ZGIT

Reinforced Silicone Couplers

These rods are for enthusiasts that require the absolute best and will not compromise on quality

Performance data coming soon

Mahle PowerPak 100mm Bore Piston and Ring Kit Subaru WRX / STI EJ25 2004-2021 Wheel Color_Gunmetal HS02N3ZGITPart #: 930285037 Mahle's PowerPak piston assemblies include forged pistons, piston rings, pins, and wire locks all in one race proven package. The pistons are hand deburred and then coated with dry phosphate to protect against ring micro welding and pin galling during initial startup. For additional performance, Mahle added its proprietary Grafal anti friction coating to the piston skirts. Low drag rings, steel pins, and round wire locks complete the