Crf/Xr100R 120Cc Big Bore Kit With Cam

10 years in the making, this long-awaited kit rocks. Comes complete with custom “big finned” BBR aluminum cylinder, piston, rings, piston pin, clips, BBR exclusive motocross grind performance camshaft, HD valve springs, rockers with tappet adjusters, head and base gaskets. Exhaust and intake gaskets must be purchased separately.