Manley 617105CE-4 Turbo Tuff Forged Piston Set 85.5mm Bore Mitsubishi 4G63

The Manley 617105CE-4 is a high-performance piston set designed for Mitsubishi 2.0L 4G63 engines with 85.50mm bore and 1.130 inch compression height. This Turbo Tuff series piston set features 85.50mm bore with 10.5:1 compression ratio, specifically engineered for stroker 2.3L builds in EVO 5/6/7/8/9 4G63 engines from 1998-2007.

Key Features:

• 2618 alloy forgings with proven cam and barrel skirt profiles
• Domestic 2618 alloy forgings ensuring superior strength and performance
• Turbo Tuff/DLC alloy wrist pin upgrades for additional durability with exacting ring lands and grooves for enhanced ring seal and more power
• Cam and barrel skirt profiles that generate substantial power while being gentle on cylinder walls
• Unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness
• Moly skirt coatings on select applications
• Tool steel wrist pins included

This complete piston set includes pistons, premium steel top rings with Napier seconds, wrist pins, and round wire locks. The Platinum Series pistons are trusted by professional engine builders and tuners who rely on Manley pistons for superior performance and durability. Ideal for high-horsepower turbocharged builds and stroker engine applications.