
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.

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

Thread Kits 1221-309 Thread π§ Repair Kit: Fix Stripped Threads with Ease
11 Review