Vertex Top End Kit 4T CRF150R Compression 11.7:1 12-24 (65.97) Vertex top-end kits include; piston, rings, circlips, piston pin, base gaskets, head o-rings and piston pin bearing.

Vertex Top End Kit 4T Honda CRF150R 07-09 (65.98) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and t

Vertex Top End Kit 4T CRF150R Compression 12.2:1 12-24 (65.99) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improv

Vertex Piston Kit CRF150R Compr. 11.7:1 2012-21 (65.98)  Product Info: Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by...

Vertex Top End Kit 4T RM250Z Compression 12.5:1 16-24 (76.96) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve

Vertex Top End Kit 4T CRF450R - CRF450RX Compression 14.5:1 21-24 (95.98) All pistons are heat treated with T-5 hardening and a tempering cycle New T-box forgings and DLC