The Box Stock Project Engine is your best engine choice to build a Box Stock, BP, or Stock Appearing / Outlaw kart racing engine. Packages come with the preferred "Ruixing" brand carburetor.  Now comes with the BSP4 racing cam and performance cast rod installed in the engine. Flywheel must be purchased and installed separately. Standard features of the packages above are:

• Max-Stroke Crank increases both displacement and compression
• Piston is .003" to .010" in the hole minimizing combustion chamber volume for greater compression
• Hi Flow "JT" head castings
• Double tabs on blower housing mounting flanges
• Stainless steel push rods
• Performance cast connecting rod

This engine is not race ready and has not been blueprinted. The building and legality of this engine is the responsibility of the end user. Engine will come with a spec sheet that will show all the clearance and torque specs that should be checked prior to running.