Mahle PowerPak 99.75mm Bore Piston and Ring Kit Subaru WRX / STI EJ25 2004-2021 Crosstrek_2013-2017 L SUNSPORT

L SUNSPORT

start performance

Delivers over 1500cc/min at 3 bar

This a great way to increase pedal feel while eliminating the unwanted flex of the brake master cylinder during hard stopping

which are known to the State of California to cause cancer and birth defects or other reproductive harm

Mahle PowerPak 99.75mm Bore Piston and Ring Kit Subaru WRX / STI EJ25 2004-2021 Crosstrek_2013-2017 L SUNSPORTPart #: 930285127 Mahle's PowerPak piston assemblies for the Subaru WRX and STI includes 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