I confirm: spark plug wires covers, oil cap, oil filter canister, fan are painted black. All other parts (+ trans.) are silver. Reference: Imperial 55-63 photo archives book, page 58 and 59 (2 pics of 392 Imperial engine from Chrysler corporation engineering division) -- Philippe COURANT (Pau, France)- Webmaster des sites ACCF et C-I-F Imperial 1957 Crown convertible Buick 1958 Roadmaster sedan HT - American Car Club de France (ACCF) : http://www.accf.com - Chrysler Imperial France (C-I-F) : http://www.ifrance.com/c-i-f - Cadillac " Standard of Excellence " : http://www.ifrance.com/accf-cad - SportsCars : http://www.ifrance.com/accf-sprtcar