Wiseco Pro Tru Compact Series Piston Kit (96-07 Mitsubishi Evo) K666M855AP
Description
WISECO Forged Pistons for Mitsubishi Lancer Evolution EVO 8/9
Bore: 85.5mm +.020 | Compression Ratio: 9.5 | Part #: K666M855AP
Upgrade your 2003-2006 Mitsubishi Lancer Evolution EVO 8 or 9 with high-performance Wiseco Pro Tru forged pistons. Built with plasma moly ring packages pre-gapped for superior sealing, friction reduction, and durability, these pistons are designed to improve engine longevity and power.
✅ Key Features:
-
Fitment: Mitsubishi Lancer Evolution EVO 8 & EVO 9 (2003–2006)
-
Bore Size: 85.50mm +.020
-
Compression Ratio: 9.5:1
-
Material: Forged aluminum with HD2 coating for enhanced durability
-
Design: 4G63 asymmetric skirt for reduced friction and improved stability
-
Ring Package: Pre-gapped plasma moly rings (1/16, 1/16, 3/16) for optimal sealing
-
Part Number: K666M855AP
-
Includes: Complete piston set (usually 4 or 6 depending on engine configuration)
These Wiseco pistons offer a precise compression ratio option for custom engine builds, providing reliable performance on both street and track.
Brand new – Ships fast – Trusted seller!

