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, and 160cc bore/race head kits.
Regular price: $164.95
Sale price: $164.95
Oil Seal Kit - Does not include crankshaft seal.
Regular price: $14.95
Sale price: $9.95