THEY ARE ALUMINUM CAP AND PLUG.
XRP -12 CAPS AND PLUGS FOR AN FITTINGS, NASCAR,LATE MODEL,TRUCKS
XRP -8 CAPS AND PLUGS FOR AN FITTINGS, NASCAR,LATE MODEL,TRUCKS
XRP -16 Male Flare -16 O-Rin
XRP #16 Male to #16 ORB 90Deg Ultra low Profile
Spicer 1310/1330 Greasable Conversion U Joint 1-1/16" caps
NEW Neapco 1-0099 Pair of U-Bolts Ford 1350/1410 Drive Shaft 1-3/16'' Caps