I always have used and recommend the brass freeze/expansion plugs. They last longer and do not corrode through. Gerry Steinberg... ----- Original Message ----- From: "jennifer allyn" <gearhead.girl@xxxx> To: <chrysler300@xxxxxxxxxxxxxxx> Sent: Tuesday, December 31, 2002 12:16 AM Subject: [Chrysler300] Freeze Plugs? > > 219-9421 > > Expansion plug kit, block only, steel > > > 219-9488 > > Expansion plug kit, block only, brass > > Picked up the 413 from my machine shop today, which I hope to drop in > the '62 300 Sport soon. > > Which freeze plug kit would be recommended for a motor that will live in > Southern, California? > > Thanks!