Wiseco 6642M95 Pro Tru Sport Compact Forged Piston 95mm Bore with Rings & Pins

The Wiseco 6642M95 is a Pro Tru Sport Compact Series individual replacement forged piston featuring a 95mm bore diameter. Built on decades of race-winning piston engineering, this Sport Compact Pro Tru piston delivers exceptional forged strength and precision at outstanding value for engine builders who demand quality without compromise.

American-Made Forged Construction:

• Forged and CNC-machined in Ohio using state-of-the-art forging presses and dedicated forgings specific to the final piston shape
• Dedicated forgings result in a piston that is stronger and lighter than industry-standard cast alternatives
• Forged 4032 aluminum alloy construction for superior strength-to-weight ratio

Key Features:

• 95mm bore diameter — sold as an individual/replacement piston
• Includes rings and wrist pin — compatible with recommended ring set 9500XX
• Plasma moly 1/16, 1/16, 3/16 pre-gapped ring package provides excellent cylinder seal, reduced friction, and extended service life
• ArmorGlide proprietary skirt coating reduces friction, minimizes break-in scuffing, and allows tighter dimensional tolerances
• Available in multiple compression ratio volumes, giving engine builders the flexibility to dial in the exact compression ratio for their specific build
• Precision-machined ring grooves for optimal ring seal and long-term durability

Whether you're refreshing a high-mileage engine or building a performance street application, the Wiseco 6642M95 Pro Tru piston delivers race-proven forged quality with the reliability and value sport compact engine builders expect.