Wiseco K0419X165 Chevy LS 3.900 Stroker Piston Kit 4.165 Bore -23cc Dish

The Wiseco K0419X165 is a Professional Series forged piston kit purpose-built for Chevrolet LS engines running a 3.900-inch stroker crankshaft. Featuring a 4.165-inch bore, 1.165-inch compression height, and a -23cc dish crown, this kit delivers the precise geometry needed for high-displacement LS stroker builds.

Key Features:

• Bore Size: 4.165 in.
• Compression Height: 1.165 in.
• Stroke: 3.900 in.
• Pin Diameter: 0.927 in. (S643, 0.927 x 2.250 in.)
• Crown Volume: -23cc Dish
• Material: 2618 high-strength forged aluminum alloy for superior tensile strength and heat resistance
• ArmorGlide® Skirt Coating for seizure resistance, friction reduction, and quieter operation
• Fully machined crown features with precision ring grooves
• Anti-detonation and pressure seal grooves for enhanced ring seal integrity
• Optimized rod angle geometry for the 3.900-inch stroke, reducing bore distortion and crank/rod stress
• LS1/LS2/LS3/LS6 valve pockets compatible
• Engineered, forged, and machined in the USA at Wiseco's Mentor, Ohio facility

Wiseco's Professional Series LS stroker pistons are engineered for serious race and high-performance street builds, capable of supporting naturally aspirated, boosted, and nitrous applications. The 2618 alloy construction and ArmorGlide® skirt coating make this kit a trusted choice for builders demanding durability and precision in demanding, high-horsepower LS stroker applications.