Steering column is hitting the headers and melting the plastic

Steering column is hitting the headers and melting the plastic on the Steering column. I had a column shifter and I changed it to the hurst floor shifter. Does it need that white plastic piece In the column? I put a piece of aluminum next to it but it’s still too hot. What should I use? Please see picture. Thanks

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After my rebuild/engine re-install I had the same problem. I had the steering column out also at the time. I had reinstalled it a bit wonky. Loosen the 2 bolts on the column flange and pull it away from the header, it does have some play. I was getting a lot of heat crawling up the column and heating everything big time. I also pulled out/back the white plastic retainer and crushed up some aluminum foil and packed it up in the tube and replaced the plastic end piece. No problems since.

FYI,
Marion