Part #: 930020342
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 Mahle PowerPak package.
Specs:
Pistons PowerPak 92.50mm Bore; 2.953 Stroke; 5.137 Rod; 23mm Pin; 1.287 C/D; 8.0:1 Compression Ratio; -12cc Dome Volume; 348 Gram Weight [Subaru Impreza(2002-2005)]
