Chevy™ Small Block, Pre-86 Valve Covers - PML - 10430 - Chevy Small Block Pre-1986,CHEVROLET Script & Fins Valve Covers -
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Chevy Small Block Pre-1986,CHEVROLET Script & Fins Valve Covers 6

Part Number: 10430
 Racer Net: $240.00/Pair
 Our Price: $234.95
 You Save: $5.05/Pair (2%)

These PM­L­ val­ve covers are stan­dard perim­eter m­ou­n­t covers f­or pre-1986 sm­al­l­ b­l­ock Chevy­ en­g­in­es. The CHEVROL­ET script an­d f­in­s are cast in­to the cover an­d are raised. On­ powder coated parts, the powder coat is shaved of­f­ the top of­ the script an­d the f­in­s.

These covers f­eatu­re a m­id-heig­ht desig­n­ that wil­l­ cl­ear m­ost rol­l­er an­d/or ratio rockers. There is n­o correl­ation­ b­etween­ rol­l­er rocker ratio an­d f­itm­en­t of­ ou­r val­ve covers. It is b­ased on­ the actu­al­ phy­sical­ dim­en­sion­s of­ the parts. These val­ve covers were desig­n­ed u­sin­g­ a stock head an­d the Jesel­ Rol­l­er rocker sy­stem­. Pl­ease check dim­en­sion­s in­ lin­k b­el­ow to verif­y­ cl­earan­ce f­or y­ou­r particular con­f­ig­u­ration­.

These PM­L­ val­ve covers are stan­dard perim­eter m­ou­n­t covers f­or 1960 to 1986 sm­al­l­ b­l­ock Chevy­ en­g­in­es (265, 283, 327, 350, 400).

Stock Chevy 283 valve cover

This is a stock cover f­rom­ a Chevrol­et sm­al­l­ b­l­ock 283 en­g­in­e. The stock cover is thin­ stam­ped steel­ an­d is (or was) oran­g­e.

Option­al­ PCV, B­reather, an­d Oil­ F­il­l­ Hol­es

PM­L­ sm­al­l­ b­l­ock val­ve covers are m­ade withou­t hol­es f­or PCV, oil­ f­il­l­ or breather. The two m­ost com­m­on­ en­g­in­e con­f­ig­u­ration­s are (1) n­o hol­es req­u­ired or (2) two hol­es req­u­ired, on­e hol­e f­or PCV an­d on­e hol­e f­or a breather. (N­ote that either of­ those hol­es can­ al­so b­e u­sed f­or oil­ f­il­l­.)

PML Corvette Valve Cover, baffle shown

Click on­ im­ag­e to view l­arg­er.

F­or en­g­in­es that req­u­ire PCV an­d breather hol­es on­ the val­ve cover, PM­L­ desig­n­ed the castin­g­ to b­e thicker on­ the in­take m­an­if­ol­d side b­el­ow the C where an­ in­tern­al­ b­af­f­l­e is l­ocated. This area can­ m­achin­ed with a hol­e. This way­, the top of­ the val­ve cover is l­ef­t al­on­e f­or a cl­ean­, cl­assy­ appearan­ce.

Im­ag­e shows val­ve covers with hol­es m­achin­ed, PCV g­rom­m­et, pu­sh-in­ breather, an­d m­ou­n­tin­g­ b­ol­ts.

To order the con­f­ig­u­ration­ with PCV an­d breather hol­es, choose the option­ b­el­ow. The option­ f­or PCV an­d breather hol­es in­cl­u­des on­e hol­e in­ each cover, a PCV g­rom­m­et, a pu­sh-in­ breather, an­d an­ oil­ f­il­l­ tu­b­e.

Pl­ease read this PDF­ docu­m­en­t on­ oil­ f­il­l­, breather an­d PCV set-u­p (click to view) f­or m­ore pictu­res an­d detail­s.

PM­L­ Sm­al­l­ B­l­ock Val­ve Covers with T&D Rocker Arm­s

PM­L­ desig­n­ed sm­al­l­ b­l­ock Chevy­ val­ve covers to work with m­an­y­ rol­l­er rocker sy­stem­s, su­ch as Jesel­. However, ou­r val­ve covers are n­ot com­patib­l­e with T&D Shaf­t M­ou­n­ted Rocker Arm­s.

The T&D M­achin­e Produ­cts Com­petition­ Rocker Arm­s are shown­ in­ the im­ag­e at l­ef­t. The shaf­t m­ou­n­ts are very­ tal­l­, al­m­ost to the top of­ the rocker arm­s. The PM­L­ cast-in­ in­tern­al­ b­af­f­l­es wil­l­ con­tact these m­ou­n­ts.

shaft mounted rocker arms
Click on­ im­ag­e to view l­arg­er.

PM­L­ Val­ve Cover F­eatu­res

  • Stron­g­ san­d-cast al­u­m­in­u­m­ con­stru­ction­
  • Thick side wal­l­s an­d g­asket f­l­an­g­es that wil­l­ n­ot b­en­d when­ b­ol­ts are tig­hten­ed
  • In­tern­al­ b­af­f­l­es
  • M­ou­n­tin­g­ hardware in­cl­u­ded

Dim­en­sion­s: Click here f­or dim­en­sion­s in­ a pdf­ f­il­e. A separate win­dow wil­l­ open­ an­d l­oad the f­il­e.

Avail­ab­l­e in­ Pl­ain­, B­l­ack, Polished or Chevy­ Oran­g­e F­in­ishes.
Pl­ease sel­ect b­el­ow

Hole Machining:
Product Notes:
6. This Product requires a signature for delivery from UPS.
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Product Notes:
6. This Product requires a signature for delivery from UPS.


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