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52100 bearing steel and hard-plated spacers resist wear and rust
6061-T6 one-piece Forged Damper Body
Black or silver anodized finish
The old version was used on our Vegas Mini Moto winning Z50s (as well as in many other races) and this new version is even better suited for racing or backyard fun
Anodized Finish
CNC Ported Race Head w/Big Valves - KLX140 Size:34 / 29 52100 bearing steel and hard-platedSX Parts CNC Ported Cylinder Head with big valves. Available in two sizes: 31 25mm works best with 63mm piston (170cc kit) 34 29mm works best with 66mm piston and up Please note that the 63mm piston will not work with the 34 29 size It comes complete with new valve springs, valve seals, collets, top and bottom retainers specifically for this performance head. Fitment: 2008 Present KLX140
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