D126-N Heads looking for info

[mickey]

Hi have a set of new heads D126-N other # on box 338134 anybody that can give me some info, they are iron heads magnum. Thanks

 

[mickey]

Hi have a set of new heads D126-N other # on box 338134 anybody that can give me some info, they are iron heads magnum. Thanks

OK update information on these heads are 5.2/5.9 1992-2001 casting#671466

Looking at and older post back in 2013 by 69 cuda440 I BELIEVE this is what I have??

1992 - 2004 {318 Magnum} Casting #53006671 {Also Casting #'s 671/466/714}

CC's / Port Volume / Size / Flow

Closed-Chamber Combustion Chamber

Weight......................................62 lbs.

Factory CC Level.......................60.0 to 66.0 CC's
Recommended CC Level............60.0 CC's

Intake Port Gasket Size.............1.18" x 2.18" (Actual Port Size = 1.08" x 2.075"}
Exhaust Port Gasket Size...........1.08" x 1.80"

Intake Valve..............................1.920"
Exhaust Valve............................1.625"

Intake Bowl Size.......................1.65" {86%}

Intake Port Volume...................153 CC
Exhaust Port Volume...................64 CC

Intake Flow..............................193 CFM @ .450" Lift........199 CFM @ .500" Lift
Exhaust Flow............................147 CFM @ .450" Lift........149 CFM @ .500" Lift

Intake-to-Exhaust Flow......................76.5%..............................75%..............