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Product Fitment:
2002-2005 Subaru WRX
MAHLE Motorsport’s PowerPak and PowerPak+ piston kits deliver unmatched performance and reliability, letting you push your WRX build to the next level. Backed by over 95 years of experience and built using precision MAHLE machinery, these pistons incorporate advanced technologies to optimize performance without compromise.
Features & Benefits:
Forged piston designed for performance applications
Fully-machined crown for precision combustion efficiency
Grafal anti-friction coating on skirts to reduce drag and wear*
Phosphate-coated to prevent micro-welding and pin galling**
CNC-finished pin bores and hand-deburred for precise fit
High-strength, lightweight German steel pins
Race-proven round wire locks for secure assembly
Low-drag ring pack for improved engine efficiency
Lightweight slipper skirt design for reduced reciprocating mass
Optimized for reduced piston noise and cylinder bore wear
Specifications:
Bore: 92mm
Stroke: 75mm
Rod Length: 130.4mm
Pin Diameter: 23mm
Compression Ratio: 8.4 CR
Set of 4 Pistons
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