Carburetor Needle Guide

For my DA60 Engine on my RC airplane, I mounted the engine inverted which is standard. However, on this engine that puts the carburetor needles facing up towards the top of the engine cowl. To access these while tuning the engine requires removing the spinner, propeller, and cowl, making the adjustment, then reassembling everything. To fix this, I cut a small rectangular hole in the top of the cowl above the needle valves but they were too far down inside the cowl to see or know which value (high-end or low-end) you were adjusting. Part A in this group fits over both needles and thus provides a guide channel for the screwdriver to reach in and get the exact needle you wand: High or Low. Part B slips over Part A and can be adjusted so that it is flush with the top of the motor box and then screwed in place. Reassemble the cowl, prop, spinner, and start the engine and make adjustments in real-time. If you like, you can glue Parts A and B together with medium or thick CA glue and k