Wiseco Forged pistons for 4G63 Mitsi EVO 4-9 - 21mm pin

These Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Wiseco's advanced forging process and extensive heat-treating and finishing processes ensure the performance and reliability that you demand from your engine. Wiseco's sport compact piston and ring kits' crown thickness and ring lands are designed for power adders like turbos and blowers and nitrous oxide. They come complete with high-quality piston rings. Whether you're on or off of the street, you can depend on the maximum strength and minimum variance of Wiseco's aluminium-forged pistons for your sport compact vehicle.

Technical Details:

2.0L Engine, stock rod length

Piston Style: Dish, with four valve reliefs
Piston Material: Forged aluminium
Compression Distance (in): 1.378 in
Piston Head Volume (cc): +17.00cc
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 0.827 In
Gapless: No
File Fit: No
Top Ring Thickness: 1.0mm
Top Ring Material: Steel
Top Ring Facing Material: Gas nitrided
Second Ring Thickness: 1.2mm
Second Ring Material: Cast iron
Second Ring Facing Material: Phosphate coated
Oil Ring Thickness: 2.8mm
Oil Ring Material: Stainless steel
Oil Ring Tension: Standard
Quantity: Sold as a kit