Wiseco K0434B165 Stroker Max LS/LSX Piston Set 4.165 in. Bore +11.7cc Max Dome

The Wiseco K0434B165 is a Stroker Max Series forged piston set engineered for high-output Chevrolet LS and LSX stroker builds. Designed around a 4.165-inch bore and a 4.000-inch stroke with a 6.125-inch rod length, these pistons deliver a +11.7cc max dome crown volume that enables aggressive compression ratios suited for naturally aspirated performance applications.

Key Features:

• Bore Diameter: 4.165 in.
• Compression Height: 1.110 in.
• Stroke: 4.000 in.
• Rod Length: 6.125 in.
• Crown Volume: +11.7cc Max Dome
• Wrist Pin Diameter: 0.927 in. (S691 pin, 2.250 in. length)
• Piston Alloy: 2618 high-strength aluminum forging
• ArmorGlide® skirt coating for reduced friction and improved wear resistance
• Premium GFX ring set included: 1.2mm, 1.2mm, 3.0mm
• Contoured dome with machined valve pockets for camshaft and head compatibility
• Anti-detonation and pressure seal grooves for enhanced ring seal
• Spirolox® wrist pin retainers included

Wiseco's Stroker Max Series pistons are forged and machined in Mentor, Ohio using 2618 aerospace-grade aluminum, offering superior tensile strength and thermal stability for demanding street and strip applications. The K0434B165 is optimized for Gen III and Gen IV LS/LSX platforms running stroker crankshaft combinations.