Wiseco Pistons for the Mitsubishi Eclipse RS 420A 2.0L engine. Wiseco makes several 420A Pistons and we try to keep several of the most popular part numbers in stock. Just select which part number best fits your application from the list below, and include that part number in the paypal notes section of your payment.
Have a question about bore size or compression ratio?
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Email us now at Sales@RealStreetPerformance.comWhether you damaged your stock internals, you are building an all out race engine, or you are just looking to upgrade your stock bottom end. Wiseco is one of the most trusted and affordable options on the market period.
COMES WITH RINGS, WRIST PINS, AND LOCKS!Wiseco Piston Part Numbers Mitsubishi Eclipse RS 2.0L 420A | Part # | Application | Bore Size | Compression Ratio |
| K580M875 | 420A | 87.50mm (Standard Bore) | 8.8:1 |
| K580M88 | 420A | 88.00mm (+.020 Overbore) | 8.8:1 |
| K580M885 | 420A | 88.50mm (+.040 Overbore) | 8.8:1 |
| K581M875 | 420A | 87.50mm (Standard Bore) | 10.5:1 |
| K581M88 | 420A | 88.00mm (+.020 Overbore) | 10.5:1 |
| K581M885 | 420A | 88.50mm (+.040 Overbore) | 10.5:1 |
