Wiseco K0111X25 Professional Series Forged Piston Kit Bore - 4.080

The Wiseco K0111X25 Professional Series Piston Kit delivers performance quality engineered for street and performance applications. This complete piston kit features forged aluminum construction with a dish piston design incorporating two valve reliefs for optimal combustion chamber geometry.

Key Features:

• 4.080 inch (103.632mm) bore diameter with 1.220 inch compression height
• ArmorGlide skirt coating reduces friction, maximizes horsepower, and improves wear resistance
• Forged aluminum construction for superior strength and durability
• Accommodates reluctor ring on stroker cranks without notching pin bosses
• Anti-detonation and pressure seal grooves for better ring seal and reduced piston rock noise
• Press-fit or floating wrist pin design with 0.984 inch pin diameter
• Complete kit includes piston rings, wrist pins, and retainer clips

Ring Specifications:

• 1.2mm steel top ring with gas nitrided facing
• 1.2mm cast iron second ring with phosphate coating
• 3.0mm stainless steel oil ring with standard tension

Wiseco Professional Series pistons are specifically designed with offset pins and skirt shapes optimized for street applications. Successfully tested in high-horsepower builds, these pistons utilize advanced ArmorGlide coating technology developed through Wiseco's in-house dyno program, allowing tighter bore tolerances than non-coated pistons while minimizing friction and maximizing performance.