Carrillo MX1P43 Platinum Series Piston for Yamaha YZ450F

The Carrillo MX1P43 is a high-performance Platinum Series forged piston designed specifically for 2003-2009 Yamaha YZ450F motorcycles equipped with a 2.5mm longer connecting rod. This premium piston features standard bore sizing with a 13.5:1 compression ratio, delivering enhanced power and durability for serious motocross racing applications.

Advanced Project X Pro Technology:

• Proprietary pin bore treatment process significantly increases durability by reducing stress concentrations
• Specialized machining creates optimized internal geometry that allows the wrist pin to flex naturally
• DLC (Diamond-Like Carbon) coated wrist pin included for reduced friction and extended life
• Standard 95mm bore diameter with 2-ring design
• Designed to work exclusively with Carrillo Platinum long rod (+2.5mm length)

CP-Carrillo pistons are manufactured using aerospace-grade forged aluminum and incorporate advanced engineering developed through years of collaboration with OEM manufacturers and professional racing teams. The Project X Pro pin bore technology represents a significant advancement in piston durability, particularly in the high-stress pin bore area that experiences extreme loads during racing conditions.