Kibblewhite 82-83250 High Performance Piston & Valvetrain Kit 0.440" Lift Polaris

The Kibblewhite 82-83250 KPMI High Performance Piston and Spring Kit delivers a complete top-end rebuild solution engineered specifically for Polaris powersports applications requiring 0.440" valve lift. This comprehensive kit combines precision-machined components with high-performance valvetrain upgrades designed to exceed OEM durability and performance standards.

Complete Rebuild Kit Includes:

• Full piston assembly with 2618 alloy CNC-machined piston featuring performance skirt coating
• Piston rings, wrist pin, and pin clips engineered as a matched system
• KPMI high-performance valves with extended service life
• Lightweight racing valve spring kit compatible with high-performance camshafts
• Complete gasket kit for proper sealing

Key Features:

• 2618 aluminum alloy piston construction for superior strength and heat resistance
• Fully CNC-machined for precise tolerances and optimal performance
• Performance skirt coating reduces friction and extends piston life
• KPMI valvetrain components proven to outlast OEM by up to 2x service life
• Lightweight racing springs support aggressive cam profiles and high-RPM operation
• Cost-effective kit pricing compared to purchasing components individually

Designed specifically for the demanding performance requirements of motocross bikes, ATVs, and UTVs. The piston assembly components are engineered to work together as a complete system and can be used as an OEM replacement when installed complete. Individual piston assembly components are not interchangeable with OEM parts.