Feather-Lite Batteries® Self Contained Auxiliary Removable Starter (SCARS) for Drag Racing and Tractor Pulls was designed in 2 different models. A version for A/Fuel teams and a version for Blower cars. The A/Fuel unit weighs just 25.5 lbs and the Blower version 28.5 lbs. Both feature an all carbon design and a FLB quick change removable 48v battery. Like all Feather-Lite Batteries products the SCARS units are proudly designed and manufactured in the United States!