Wiseco Pistons 6613M835 Pro Tru Forged Piston 86mm Bore

The Wiseco 6613M835 is a high-performance forged piston from the Sport Compact Pro Tru Series, designed for demanding sport compact engine builds. This replacement piston is precision-engineered using dedicated forgings and state-of-the-art CNC machining to deliver superior strength and reduced weight compared to industry-standard cast pistons.

Key Features:

• 86mm bore diameter with 35mm compression height
• American-made forged construction for maximum durability
• Includes rings and wrist pin for complete installation
• Compatible with Wiseco ring set 8350XX
• Plasma moly ring coating for excellent seal and friction reduction
• Available in multiple compression ratios for custom engine builds

Wiseco Pro Tru pistons are manufactured in Ohio using dedicated forging dies specific to each piston design, resulting in optimal grain structure and weight savings. The included pre-gapped ring package features 1/16, 1/16, 3/16 configuration for reliable sealing and extended service life. Ideal for performance rebuilds, turbo applications, and race engine builds where strength and precision are critical.