MAHLE Motorsport's PowerPak and PowerPak+ piston kits offer superior reliability and performance, letting you take your build to the next level. Backed by over 95 years of performance experience and using MAHLE manufactured machinery to offer advanced features found nowhere else; make no compromises, trust MAHLE Motorsport.
Included:
• Mahle Forged Pistons (99.75mm, 8.5cr, Set/4), '04-'21 STi & '06-'14 WRX
Features:
• Forged piston for performance applications
• Fully-machined crown
• Grafal anti-Friction coating on skirts*
• Phosphate-coated to reduce micro-welding and pin galling**
• Pin bores finished on CNC boring equipment
• Hand deburred
• High strength, light weight German steel pins
• Race-proven round wire locks
• Low drag ring pack
• Light weight slipper skirt forgings
• MAHLE's GRAFAL skirt coating reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise.
