The spiral coil installed easily in my aluminum radiator, but I couldn't thread the new M12 x 1.5 drain plug into the new thread. Had to use an old fork wrapped in oatey fastape. The Helix appears to be slightly smaller than the real M12.
Heli-Coil 5334-14 Thread Repair Kit
11 Review
Upgrade Your Car'S Lighting With 9005 HB3 LED Headlight Bulbs - 8000 Lumens, 6000K Cool White, Halogen Replacement Kit
17 Review
40000 Lumens LED Bulbs Combo - SEALIGHT X2 H11/H9/H8 Low Beam 9005/HB3 High Beam, 6500K Cool White Halogen Replacement Kit
11 Review
Helicoil 5546 8 Metric Coarse Thread
11 Review