Wiseco K469X05 Professional Series Forged Piston Set - Chrysler 6.1L Hemi 4.060in Bore -6.5cc R/Dome

The Wiseco K469X05 is a Professional Series forged piston set engineered specifically for the Chrysler 6.1L Gen III Hemi engine. Featuring a 4.060-inch bore, -6.5cc reverse dome (dish) design, and a 1.080-inch compression height, this shelf-stock kit is built to support 426ci stroker combinations running a 4.080-inch stroke and 6.125-inch connecting rods.

Part of Wiseco's no-expense-spared Professional Series lineup, these pistons are purpose-built for serious engine builders and racers demanding the highest levels of performance and durability in heavy to severe duty applications. The design also supports forced induction builds, making them a strong choice for turbocharged or supercharged Hemi combinations.

Key Features:

• 2618 High-Strength Aluminum Alloy – Forged from aerospace-grade 2618 aluminum for superior tensile strength, impact resistance, and durability under extreme heat and pressure
• ArmorGlide Skirt Coating – Proprietary polymer coating reduces operating friction, resists seizure, minimizes skirt and cylinder wall wear, and contributes to quieter operation
• Fully Machined Crown Features – -6.5cc reverse dome (dish) crown precision-machined for consistent combustion chamber geometry
• Precision Ring Grooves – Includes anti-detonation groove and additional ring seal features for improved ring seal and longevity
• Forced Pin Oiling – Enhanced wrist pin lubrication for durability in high-load applications
• Chromoly Wrist Pins Included – High-strength 5115 chromoly steel floating wrist pins (0.866 in. diameter) included with Spirolox retainers
• USA Manufactured – Engineered, forged, and precision CNC-machined at Wiseco's Mentor, Ohio facility

Specifications:

• Bore: 4.060 in.
• Compression Height: 1.080 in.
• Dome Volume: -6.5cc (Reverse Dome / Dish)
• Wrist Pin Diameter: 0.866 in.
• Wrist Pin Style: Floating
• Wrist Pin Material: 5115 Chromoly
• Piston Weight: 423 grams (advertised)
• Compatible Stroke: 4.080 in.
• Compatible Rod Length: 6.125 in.

Wiseco's Professional Series pistons set the standard for race-level forged piston performance. Designed and built in the USA, the K469X05 is an ideal foundation for a high-compression, high-horsepower Chrysler 6.1L Hemi build.