Vertex Top End Kit 4T KX450F 21-23 Compr. 13.5:1 (95.96) Vertex top-end kits include; piston, rings, circlips, piston pin, base gaskets, head o-rings and piston pin bearing. All pistons are heat...

Vertex Top End Kit 4T KX450F 21-23 Compr. 12.5:1 (95.97) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque...

Vertex Top End Kit 4T KX450F 21-23 Compr. 12.5:1 (95.96) Vertex top-end kits include; piston, rings, circlips, piston pin, base gaskets, head o-rings and piston pin bearing. All pistons are heat...

Vertex Top End Kit 4T KX450F 21-23 Compr. 12.5:1 (95.98) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque...

Vertex Piston Kit KX450F 19-23 Compr. 13.5:1 (95.97)  Product Info: Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and...

Vertex Top End Kit 4T KX450F Compr 12.5:1 2013-14  (95.97) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and...