Valves and springs for HP 500 EFI

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12-04-2002 | 04:37 PM

502 Magnum

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From: Norway (Ft Lauderdale)

Valves and springs for HP 500 EFI

I need advice for the right valve types and size,
with springs, to use in my original 502 Mag MPI heads,
I`ll use this on a 509 with stock HP 500EFI setup and
comp 8,75-1.

502 Magnum

12-05-2002 | 04:56 PM

502 Magnum

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Joined: Feb 2001

Posts: 169

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From: Norway (Ft Lauderdale)

Valves and springs HP 500 EFI

I need the right size on the valves for
original 2000 - HP 500EFI heads,any help?

Think I`m going for Manley Innconell Exh
and Severe duty Innt. But I have no size.
What about

Head diam?
Stem diam 3/8?
Overall length?
Tip length 225?
References 15 or 12 Dg ?

Hope for help to get the right size ,willing to
buy a sett if someone has ,thanks.

12-06-2002 | 07:49 AM

502 Magnum

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From: Norway (Ft Lauderdale)

valves and springs HP 500 EFI

Nobody knows. or ?

12-06-2002 | 02:46 PM

bobby daniels

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WE CHANGE EVERYTHING IN THIS COMBO TO 2.225 I AND 1.880 EX. STANDARD LENGTH AND STEM 929 COMP SPRINGS IT WORKS GREAT WE CAN GET YOU THE PARTS AND OR DO THE WORK ,,JUST P/M ME ......THANKS