Big Bore Kit

Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385


Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385
Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385
Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385
Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385
Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385

Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385    Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385

TB Parts Race Head, Honda V1. TBparts Original V1 Honda 50/70cc style Racing Cylinder Head. This cylinder head offers many upgrades over stock that allow your engine to make more HP everywhere and turn even more RPMs. This is a massive upgrade over the stock cylinder head. Larger intake and exhaust ports.

Larger 25/22mm stainless (21-4n) valves (preinstalled). Better valvetrain geometry and HD valve springs (preinstalled). Manufactured to our specs for a value that cannot be beat! Uses OEM Style ball bearing camshafts - Cam not included.

Fits all 69-Current 50cc & 70cc Honda OHC singles, but does require a matching Race Head piston (Will not work with stock pistons or bore). Send us a message and we can put together a custom parts package for you!

Have any questions or concerns? Please send us a message and we will gladly help with any questions you may have. We have been in the motorcycle parts industry for over a decade and are here to help.


Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385    Z50 Xr50 Crf50 Ct70 Xr70 Crf70 Performance Race Head For Big Bore Kits! Tbw0385