CNC-machined motor-side backside bulkhead for XRAY X12 produced from premium extra-hard Swiss 7075 T6 aluminum, black colored coated for long life and fashionable appearance. Strategically machined for reduced weight while retaining strength. Smart pod design allows for super-easy engine top access, accommodating brushed or brushless motors. The new engine bulkhead is lowered by 1mm to allow the use of tiny tires and to decrease CG. can be used with remaining backside bulkhead #373021.