Top End Kit - Two Stroke

Vertex Top End Kit 2T Pro Race YZ/WR125 05-21 / XE-XX 125 21-22 (53.94) 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...

Vertex Top End Kit 2T Yamaha YZ-WR250 02-23 Fantic XX 250 2022 (66.34) 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...

Vertex Top End Kit 4T CRF250R - CRF250 RX Compr. 13.9:1 2020-21 (78.97) Forged pistons are forged from 2618 aluminum for superior strength and durability Forged high compression pistons improve power and torque accross entire RPM range Pistons are heat...

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 YZ450F 20-22/WR450F 21-23/XXF450 22-23 Compr. 13.8:1 (96.95) 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...

Vertex Top End Kit 4T YZ450F 20-22/WR450F 21-23/XXF450 22-23 Compr. 12.8:1 (96.95) 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...

Vertex Top End Kit 4T YZ250F 19-23/WR250F 20-23/XXF250 22-23 Compr. 14.7:1 (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...

Vertex Top End Kit 4T YZ250F 19-23/WR250F 20-23/XXF250 22-23 Compr. 13.8:1 (76.97) 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...

Vertex Top End Kit 4T YZ250F 19-23/WR250F 20-23/XXF250 22-23 Compr. 13.8:1 (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...

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 CRF450R - CRF450RX Compr. 13.5:1 2019-20 (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...

Vertex Top End Kit 4T CRF450R - CRF450RX Compr. 13.5:1 21-22 (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...

Vertex Top End Kit 4T CRF450R - CRF450RX Compr. 13.5:1 2019-20 (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...

Vertex Top End Kit 4T CRF250R - CRF250 RX Compr. 13.9:1 2018-19 (78.97) 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...

Vertex Top End Kit 4T YZ450F 18-19/WR450F 19-20 Compr 12.7:1 (96.97) 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...

Vertex Top End Kit 4T YZ450F 18-19/WR450F 19-20 Compr 12.7:1 (96.96) 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...

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 EXC250F/FE250 17-23/EC250F 21-23 Compr 12.8:1 (77.98) 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...