Upgrade your Beehive springs or Beehive spring and valve kit to stage 2 for extreme racers only
$19.00
Upgrade your Beehive springs or Beehive spring and valve kit to stage 2 springs. For all out screamers and JS4 cams. Tested on JS2 cam to 9000 RPM. Not recommended for street bikes. You must also order a Beehive spring or Beehive spring and valve kit along with this option.