Top End Kit - Two Stroke

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 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 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 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 (47.46) 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...

Vertex Top End Kit 2T EXC300 TPI/TE300I 18-23/EC300 21-23/SX300 2023 (71.935) 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...

Vertex Top End Kit 2T SX85 18-23/TC85 18-23/MC85 21-23 (46.95) 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...

Vertex Top End Kit 2T SX85 13-17 / TC85 14-17 (B) 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 2T SX150 16-22 (57.95) 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 2T SX125/TC125 16-22/MC125 21-23 (53.95) 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...

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 SX250/EXC250/XC250/XC-W250/TC250/TE250 (TPI 18-22) 17-22/MC/EC250 21-23 (66.35) 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 2T SX250/EXC250/XC250/XC-W250 07-16 / TC-TE250 14-16 (66.35) 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...