Wiseco K0433B65 Chevy LS Series Stroker Max Dome Piston Kit 4.065 Bore

The Wiseco K0433B65 is a Stroker Max Series forged piston kit designed for Chevy LS/LSX engines running a 4.000-inch stroke. Featuring a 4.065-inch bore, 1.110-inch compression height, and a +11.8cc max dome crown, this kit is purpose-built for high-compression naturally aspirated, boosted, and nitrous-fed stroker builds demanding maximum power density.

Key Features:

• Forged 2618 aluminum construction — engineered, forged, and machined in the USA for improved tensile strength and durability under extreme conditions
• ArmorGlide skirt coating — reduces friction, resists seizure, and promotes quieter operation
• +11.8cc max dome crown — optimized for high-compression LS stroker combinations
• Precision ring grooves with anti-detonation groove and additional ring seal features for enhanced combustion sealing
• Fully machined crown with LS-specific valve pockets for proper clearance
• Forced pin oiling for improved wrist pin lubrication under high-load conditions
• 4.065 in. bore | 4.000 in. stroke | 1.110 in. compression height

Wiseco Professional Series piston kits are the choice of serious engine builders and racers who demand no-compromise performance and longevity. The K0433B65 pairs precision-engineered forgings with premium ring sets and wrist pins, delivering everything needed for a complete LS stroker piston assembly.