Reddit reviews Performance Tool W38158 3/8" Female x 1/2" Male Adapter
We found 1 Reddit comments about Performance Tool W38158 3/8" Female x 1/2" Male Adapter. Here are the top ones, ranked by their Reddit score.
Allows use of 1/2" Drive Sockets with 3/8" Drive Tool3/8" Drive to 1/2" Socket AdapterPolished nickel chrome plated finish resists corrosion.Chrome Vanadium ConstructedLifetime warranty
Get a 3/8" to 1/2" adapter like this: https://amzn.com/B001DKN9CC
Sand the end flat to get rid of the rounded edges and it will fit perfectly snug right in the middle of the chevron. You can even continue to use it as an adapter.
OP, you mentioned that you have a factory service manual. Clutch cable replacement starts on page 261.