Wiseco K0427X165 Chevy LS Professional Series Forged Piston Kit 4.165 in. Bore

The Wiseco K0427X165 is a Professional Series forged piston kit designed for high-performance Chevrolet LS stroker engine builds.

Key Features:

• Forged 2618 aluminum construction for superior tensile strength and durability over cast alternatives
• ArmorGlide® skirt coating provides seizure resistance, reduces friction, and enables quieter operation
• Precision ring grooves with anti-detonation geometry for reliable sealing under high cylinder pressures
• Fully machined crown features for optimized combustion efficiency
• Engineered, forged, and machined in the USA at Wiseco's Mentor, Ohio manufacturing facility
• Designed for heavy to severe duty race builds capable of supporting 1,500+ horsepower applications
• Includes premium rings, wrist pins, and clips for a complete, all-inclusive rebuild

Specifications:

• Bore: 4.165 in.
• Compression Height: 1.165 in.
• Pin Diameter: 0.927 in.
• Stroke: 3.900 in.
• Series: Professional Series
• Material: 2618 forged aluminum

Wiseco Professional Series pistons are built for serious racers and engine builders who demand the best. Whether you're building a naturally aspirated competition engine or a forced induction monster, the K0427X165 delivers the performance and reliability needed for demanding Chevrolet LS stroker applications.