Top End Kit - Two Stroke

Vertex Top End Kit 4T KX250F  2020 (77.95) H/Comp Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque across entire RPM range Pistons are heat treated with a T-5...

Vertex Top End Kit 4T KX250F Compr. 14.2:1 2020 (77.95) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque across entire RPM range Pistons are heat treated with a...

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 treated with T-5 hardening and a tempering cycle New T-box...

Vertex Top End Kit 4T KX250F  2020 (77.96) H/Comp Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque across entire RPM range Pistons are heat treated with a T-5...

Vertex Top End Kit 4T KX250F Compr. 14.2:1 2020 (77.96) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque across entire RPM range Pistons are heat treated with a...

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 across entire RPM range Pistons are heat treated with a...

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 across entire RPM range Pistons are heat treated with a...

Vertex Top End Kit 4T KX250F Compr 13.4:1 2017-19 (76.96) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque across entire RPM range Pistons are heat treated with a...

Vertex Top End Kit 4T KX250F-KXE250F Compr 13.8:1 2015-16 (76.96) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque across entire RPM range Pistons are heat treated...

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 torque across entire RPM range Pistons are heat treated...

Vertex Top End Kit 2T KX85 single ring 14-23 (48.45) Vertex top-end kits include; piston, rings, circlips, piston pin, base gaskets, head o-rings and piston pin bearing.   All pistons are heat treated with T-5 hardening and a tempering cycle New...

Vertex Top End Kit 2T KX85 2001-13 (48.45) Vertex top-end kits include; piston, rings, circlips, piston pin, base gaskets, head o-rings and piston pin bearing.   All pistons are heat treated with T-5 hardening and a tempering cycle New T-box...