400EX engine kits
400EX / 450 Stroker

Basic kit:

Engine labor, machining, gaskets, stroke crank, custom 87mm piston with relocated wrist pin hole, for the extra stroke, camshaft.
          $1500.00

Deluxe kit:

Basic kit, Full race exhaust,  CDI, Race porting, and 8 plate clutch kit.
    
          $3000.00