94.5mm 4 Valve 450 450CC Cylinder Gasket Piston Ring Kit Zongshen NC450 ZS194MQ KAYO T6 BSE J5 xmotos Dirt Pit Bike ATV OEM Spec Drop-in Fit

94.5mm 4 Valve 450 450CC Cylinder Gasket Piston Ring Kit Zongshen NC450 ZS194MQ KAYO T6 BSE J5 xmotos Dirt Pit Bike ATV OEM Spec Drop-in Fit

• Precision Fit—OEM-Spec Replacement Parts: Designed to meet or exceed original equipment manufacturer specifications, these parts can be installed as direct replacements without any modifications.
• Heavy-Duty Cast/Forged Aluminum: Manufactured from high-strength cast or forged aluminum with a heat-treated surface. Effectively prevents cracking, deformation, and thermal fatigue under extreme temperatures and high compression conditions.
• Performance Optimization: Precision-machined with strict tolerances. Provides a stable compression ratio, reduces friction, and improves combustion efficiency.
• Advanced Thermal Management: Optimized piston ring groove design and pin lubrication channels deliver exceptional heat dissipation. Prevents knocking and pre-ignition while maintaining engine stability under heavy loads.
• Complete Set: Each piston includes a piston ring, piston pin, and retaining ring. Every piston undergoes 100% quality inspection. Please contact us if you encounter any compatibility issues.