Top End Kit - Two Stroke

Vertex Top End Kit 4T SX250F/FC250 16-22/MC250F 21-23 Compr 14.7:1 (77.97) 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...

Vertex Top End Kit 4T SX250F/FC250 16-22/MC250F 21-23 Compr 14.7:1 (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...

Vertex Top End Kit 4T SX450F/FC450 19-22/MC450F 21-23 Compr 13.6:1 (94.96) 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...

Vertex Top End Kit 4T SX450F/FC450 19-22/MC450F 21-23 Compr 12.6:1 (94.96) 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...

Vertex Top End Kit 4T SX450F/FC450 16-18 Compr 12.6:1 (94.96) 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 SX450F/FC450 19-22/MC450F 21-23 Compr 12.6:1 (94.95) 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...

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 YZ450F Compr 12.5:1 2014-17 (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 are heat treated with a...

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 4T CRF450R Compr 12.5:1 2013-16 (95.96) 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 EXC500 20-23 / FE501 20-22 Compr 11.8:1 (94.95) 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...

Vertex Top End Kit 4T CRF450R Compr 12.0:1 2009-12 (95.96) 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 CRF250R Compr 13.0:1 2008-09 (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 YZ250F Compr 13.5:1 2008-13 (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 CRF150R Compr. 12.2:1 12-23 (65.99) 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 Honda CRF150 Compr 11.7:1 07-09 (65.99mm) 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 CRF450X Compr 12.1:1 2005-17 (95.96) 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 CRF250R 04-07 Compr 12.9:1 (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 2T YZ85 19-23 (47.47) All pistons are heat treated with T-5 hardening and a tempering cycle New T-box forgings and DLC coated wrist pins on forged pistons with highest compression ratios for increased strength and performance. Piston...

Vertex Top End Kit 2T YZ85 19-23 (47.46) All pistons are heat treated with T-5 hardening and a tempering cycle New T-box forgings and DLC coated wrist pins on forged pistons with highest compression ratios for increased strength and performance. Piston...