MAHLE 930020322 Pistons Kit SUBARU Impreza (EJ20) 92.00mm x 32.7mm CH, 75.0mm Stroke, 130.5mm Rod, 23mm Pin, -12.0cc, 346g, 8.4CR, 4032

Forged Performance Pistons for High-Output 92mm Bore Engines

The Mahle PowerPak piston and ring kit is engineered for performance-oriented builds utilizing a 92.00 mm bore. These forged aluminum pistons feature a dished crown with four valve reliefs, optimized for turbocharged or high-compression configurations. Each kit includes premium piston rings, floating wrist pins, and retainers, making it a comprehensive upgrade for track and tuning applications.

• Durable forged aluminum construction ideal for high-load engine builds
• Dished piston head with valve reliefs supports efficient combustion and valve clearance
• Includes stainless steel, gas nitrided top rings for superior wear resistance
• Delivered as a complete matched set for four-cylinder applications

Specifications:

• Bore: 3.622 in. (92.000 mm)
• Stroke: 75.00 mm
• Rod Length: 130.500 mm
• Compression Height: 1.287 in.
• Piston Head Volume: +12.00 cc
• Piston Material: Forged aluminum
• Piston Style: Dish, with four valve reliefs
• Wrist Pin Diameter: 0.905 in.
• Piston Ring Thickness: 1.20 mm x 1.20 mm x 2.50 mm
• Top Ring Material: Stainless steel, gas nitrided
• Second Ring Material: Cast iron, phosphate coated
• Oil Ring Material: Stainless steel, chrome faced
• Oil Ring Tension: Standard
• Quantity: Sold as a set of 4