CNC-machined LEFT rear bulkhead for XRAY X1216 made from premium extra-strong Swiss 7075 T6 aluminum, black colored coated for long life and stylish appearance. Strategically machined for paid off fat while retaining power. Smart pod design allows for super-easy engine top access, accommodating brushed or brushless engines. Updated design enables ultra-low back suspension CG and extremely quick & effortless ride height adjustment. Ride height shims are placed between the bulkhead and top bulkhead clamp. Can be used with right back bulkhead #373013.