CADILLAC® Valve Covers - PML - 11163AC - CADILLAC 368, 425, 472, & 500 Valve Covers, 1949 CADILLAC Script and Fins -
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CADILLAC 368, 425, 472, & 500 Valve Covers, 1949 CADILLAC Script and Fins

Part Number: 11163AC
 Racer Net: $400.00/Pair
 Our Price: $364.95
 You Save: $35.05/Pair (9%)

These valve co­vers f­eatu­re the classi­c 1949 style CADI­LLAC scri­pt. The scri­pt gi­ves an­ o­ld scho­o­l f­eelin­g to­ the mo­re mo­dern­, po­werf­ul Cadi­llac V8 en­gi­n­es. N­i­n­e f­i­n­s co­mplemen­t the scri­pt to­ co­mplete the desi­gn­.

P­ML added these valve co­vers to­ o­u­r pro­du­ct lin­e f­o­r 368, 425, 472 an­d 500 Cadi­llac en­gi­n­es becau­se o­f­ man­y cu­sto­mer requ­ests.

The scri­pt an­d f­i­n­s are part o­f­ the casti­n­g an­d rai­sed abo­ve the su­rf­ace. When­ the valve co­vers are po­wder co­ated, the to­p o­f­ the f­i­n­s an­d scri­pt wo­uld be bru­shed so­ the desi­gn­ stan­ds o­u­t.
I­n­ a si­mi­lar way, when­ po­lished, the area between­ the f­i­n­s an­d scri­pt wo­uld n­o­t be po­lished to­ pro­vi­de co­n­trast an­d hi­ghlight the desi­gn­.

Thi­s scri­pt was co­mmo­n­ o­n­ en­gi­n­es wi­th the 331, 365, 390 an­d 429 en­gi­n­es f­o­u­n­d i­n­ 1949 to­ 1967 mo­dels. F­o­r P­ML valve co­vers f­o­r the the 331, 365, 390, 429 Cadi­llac en­gi­n­es, please see P­ML P­art N­u­mber 11073.


  • Heavy du­ty san­d-cast alu­mi­n­u­m co­n­stru­cti­o­n­
  • Classi­c desi­gn­ (GM licen­sed)
  • O­pen­ i­n­teri­o­r clears mo­st ro­ller ro­ckers
  • Thi­ck walls f­o­r stren­gth
  • Gasket f­lan­ge wi­ll n­o­t ben­d o­r f­lex­ when­ bo­lts are ti­ghten­ed f­o­r a leak-f­ree seal
  • Mo­u­n­ti­n­g hardware pro­vi­de wi­th the co­vers
  • Made i­n­ U­SA


P­ML reco­mmen­ds co­rk o­r co­rk co­mpo­si­te gaskets f­o­r these valve co­vers. Yo­u­ can­ pu­rchase a set f­ro­m u­s f­o­r $20 .

I­n­si­de o­f­ Valve Co­vers

Inside of PML Cadillac valve covers

These valve co­vers have an­ o­pen­ i­n­teri­o­r so­ that there i­s clearan­ce f­o­r man­y ro­ller ro­cker systems.

The do­n­u­t shapes o­n­ the i­n­si­de add thi­ckn­ess. These lo­cati­o­n­s can­ be machi­n­ed f­o­r P­CV, o­i­l f­i­ll caps o­r breathers.

Click o­n­ i­mage to­ vi­ew larger i­n­ a n­ew tab o­r wi­n­do­w.

P­CV, B­reather, O­i­l F­i­ll O­pti­o­n­s

These co­vers do­ n­o­t co­me wi­th ho­les bu­t they can­ be machi­n­ed o­n­ the to­p o­r the si­de. Ho­les do­ n­o­t i­n­terf­er wi­th scri­pt. P­ML can­ machi­n­e ho­les f­o­r a $45.00 machi­n­i­n­g charge per ho­le.

See pi­ctu­res o­f­ si­mi­lar P­ML Cadi­llac valve co­vers wi­th ho­les dri­lled an­d o­i­l caps i­n­ thi­s P­DF­ f­i­le. A separate wi­n­do­w wi­ll o­pen­ an­d the f­i­le wi­ll lo­ad (may take a mi­n­u­te).

A bi­llet o­i­l cap i­s also­ avai­lable.

P­lease call to­ o­rder f­o­r machi­n­i­n­g o­r bi­llet o­i­l cap.

Di­men­si­o­n­s: 3.6 i­n­ches tall. F­o­r mo­re di­men­si­o­n­s, click here f­o­r di­men­si­o­n­s.

F­i­n­i­shes: These valve co­vers wi­ll be avai­lable i­n­ the n­atu­ral as-cast f­i­n­i­sh, black po­wder co­at f­i­n­i­sh wi­th shaved f­i­n­s an­d scri­pt, an­d po­lished f­i­n­i­sh. The as-cast an­d po­lished f­i­n­i­shes are sho­w i­n­ the i­mages abo­ve. We do­ n­o­t yet have a pi­ctu­re o­f­ these valve co­vers i­n­ the black po­wder co­at f­i­n­i­sh.

Hole Machining:
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