Wiseco K675M85 Forged Piston Kit Mitsubishi Bore CR - 4G63 7-Bolt 85mm 9.5 1

The Wiseco K675M85 is a Professional Series forged piston kit engineered for the Mitsubishi 4G63 7-bolt engine running a 156mm long rod setup. Designed for serious performance builders, this kit delivers custom-level durability and precision at a standard 85mm bore with a -4cc flat top crown and 9.5:1 compression ratio.

Key Features:

• Bore: 85.00 mm (Standard)
• Compression Ratio: 9.5:1
• Dome/Dish Volume: -4cc flat top
• Compression Height: 28.70 mm (1.130 in.)
• Pin Diameter: 22 mm (0.866 in.)
• Stroke: 88 mm
• Rod Length: 156 mm (Long Rod Setup)
• Block Height: 229 mm
• Replacement Rings: 8500XX
• Replacement Pin: S782
• Forged and machined in the USA from 2618 aluminum for superior tensile strength
• ArmorGlide® Skirt Coating for reduced friction, seizure resistance, and quieter operation
• Specially designed valve pockets and optimized skirt profiles for the 4G63 DOHC head
• Includes premium steel nitride/Napier XX rings

Built for heavy to severe duty race applications, the Wiseco K675M85 Professional Series piston kit is the go-to choice for DSM and Evo builders seeking proven forged strength and precision fitment in turbocharged 4G63 builds.