Rev Roller Rockers, 390

  • Sale
  • Regular price $215.00


Honda (or clone) GX340/GX390 billet roller rocker arms designed and engineered to withstand the valvetrain stress of a modified motor.

  • dyno tested and race proven
  • 1.2 ratio
  • rocker arm CNC machined from 7000 series alloy
  • low rotational inertia mass due to super light arm design
  • bearing grade brass bushings reduce rotational friction
  • precision ground and hardened roller tip provides ultra smooth rotation
  • ground and hardened alloy steel rocker shaft design eliminates valve train deflection
  • cupped lash adjusters with ARP 12 point fastener