Wiseco 6566M82 Pro Tru Sport Compact Individual Forged Piston 82mm Bore

The Wiseco 6566M82 is a Pro Tru Sport Compact Series individual replacement forged piston featuring an 82.00 mm bore. Manufactured in the USA by skilled craftsmen in Mentor, Ohio using state-of-the-art forging presses and CNC machining equipment, this piston delivers exceptional strength and precision for sport compact engine builds.

Wiseco's Pro Tru Sport Compact line uses dedicated forgings specific to the final piston shape, resulting in a piston that is stronger and lighter than standard industry alternatives. The forged 4032 aluminum construction provides superior strength, reduced weight, and improved heat transfer compared to cast pistons.

Key Features:

• 82.00 mm bore — individual replacement piston (sold as single unit)
• Forged and CNC-machined in the USA (Mentor, Ohio)
• Includes plasma moly ring set — pre-gapped 1/16", 1/16", 3/16" configuration for excellent ring seal, friction reduction, and long service life
• Wrist pins and clips included for a complete, ready-to-install assembly
• Available in multiple compression volumes to allow precise compression ratio tuning
• Compatible recommended ring set: 8200XX
• Dedicated sport compact forging for optimal strength-to-weight ratio

The Wiseco Pro Tru Sport Compact piston line represents outstanding value in forged piston technology, combining American manufacturing quality with race-proven design. Whether refreshing a worn cylinder or building a performance engine, the 6566M82 provides the reliability and precision demanded by serious engine builders.