The Factory "1971 Dodge Chassis Service Manual," Section 21, Page 84 & 85 shows both the 3-piece kickdown rod linkage and the one-piece kickdown rod for the V8 engine excluding 426 Hemi, but this is for the Automatic Transmission equipped vehicles.

My '71 Charger SE originally came with a 383, Auto Trans, and it had the single-rod linkage.

However, according to his SECOND post, he requests a photo/drawing for a 4-speed Manual-Transmission vehicle.

So, displayed below is the Drawing of the V8 Engine with Manual Transmission version from Section 14, Page 133, of the 1971 Chassis Service Manual: