Wiseco K0418X05 Chevy LS 3.900 Stroker Forged Piston Kit with .927 Pin, 4.005 in. Bore

The Wiseco K0418X05 is a Professional Series forged piston kit designed specifically for Chevy LS engines built around a 3.900-inch stroker configuration.

Key Features:

• Stroker-optimized geometry: Engineered specifically for the 3.900-inch stroke rod angle, providing smoother and more precise operation while reducing bore distortion, crank and rod stress, and helping maintain a consistent ring seal
• Forged 2618 aluminum construction: Manufactured in the USA for superior tensile strength and durability under demanding race and performance conditions
• ArmorGlide skirt coating: Reduces friction, resists seizure, and promotes quieter engine operation
• Fully machined crown: Precision-machined features including anti-detonation ring grooves for reliable, long-term performance
• Made in the USA: Engineered, forged, and machined at Wiseco's Mentor, Ohio manufacturing facility

Specifications:

• Bore Size: 4.005 in. (+0.005" overbore)
• Stroke: 3.900 in. (stroker application)
• Compression Height: 1.165 in.
• Pin Diameter: 0.927 in.
• Application: Chevy GM LS Series

The Wiseco Professional Series piston kit delivers custom-level performance and durability features suited for serious racers and engine builders. Built for racers, by racers, these LS stroker pistons are backed by Wiseco's decades of motorsports manufacturing expertise.