Wiseco 6550M865 Toyota 2JZ-GTE Forged Piston 86.50mm Bore Individual

The Wiseco 6550M865 is a Professional Series forged replacement piston for the Toyota 2JZ-GTE engine, featuring an 86.50 mm (3.406 in.) bore. Engineered for serious engine builders and racers, this individual piston is part of Wiseco's no-compromise Professional Series lineup — designed to handle heavy to severe duty race builds where reliability and performance cannot be sacrificed.

Key Features:

• Bore Size: 86.50 mm
• Compression Height: 1.338 in.
• Pin Diameter: 0.8661 in. (22mm)
• Material: Forged 2618 aluminum for superior tensile strength under high heat and pressure
• ArmorGlide® Skirt Coating: Reduces friction, resists seizure, lowers operating noise, and allows tighter piston-to-wall clearances
• Rings & Pins Included: Plasma moly 1/16, 1/16, 3/16 pre-gapped ring package for excellent seal, friction reduction, and long service life
• Recommended Ring Set: 8650XX
• Forged and CNC-machined in the USA
• Sold individually — replacement or single-cylinder build use

Wiseco Professional Series pistons are built for demanding applications where power output, reliability, and precision are critical. The 2618 alloy construction provides greater ductility than 4032 alloys, making these pistons ideal for forced induction and high-boost builds. Each piston ships with rings and wrist pin included for a complete assembly.