rear end

howdy howdy, I have a question about the legendary 8.8 swap, is it necessary to shorten? I don't have welding experience to do it myself and it would be rather expensive to pay a shop to do it where I live, probably more than the rear end is worth to do it. (crazy suckers wanted 150 bucks at the...

Hi folks & Tech Exchange editor. I just bought a 2003 Chevy S10 Ext Cab 4.3l v6 Fleetside with 89k on it. I bought it to haul a small travel trailer (1000 lbs dry weight). Looking around underneath the rear end to check hitch & wiring options and saw the following. Wondering what two items are -...