CNC-machined LEFT back bulkhead for XRAY X1216 produced from premium extra-strong Swiss 7075 T6 aluminum, black coated for extended life and fashionable look. Strategically machined for low fat while keeping power. Smart pod design allows super-easy engine top access, accommodating brushed or brushless engines. Updated design allows ultra-low right back suspension system system CG and extremely fast & effortless journey height modification. Ride height shims are placed between bulkhead and top bulkhead clamp. Is used with back bulkhead #373013.