New 55mm Stroker crankshaft! Increase your displacement, torque, and power by replacing your stock crankshaft with this one. No modifications are needed and works with the stock bore/head and all 134cc, 138cc, 143cc, 160cc and 165cc bore/race head kits.
WITH THIS CRANK AND THE 143CC KIT YOUR MOTOR WILL BE 155CC ,WITH THE 160CC KIT IT WILL BE 171CC
Since 2004, every purchase from TBolt USA includes access to technical
from our staff of experts and our online Pit Bike Technical Info Database!
We have all necessary support parts on hand.
Most orders ship same, or next business day, unless otherwise noted above.