Gx390/420/440 Billet 45/36 head
Gx390/420/440 Billet 45/36 head
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Gx390/420/440 Billet 45/36 head

$1,095.00
$1,095.00
Sold out

Big Block Gx390/420/440 billet head

45/36 titanium valves, 

Ampco 45 seats, 

Comp cams gp966 springs, 

uses gx390 style rockers, 

comes with custom exhaust flange, 

comes with widened rocker shaft, 

-must use aftermarket valve cover and spacer

 

 

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