ok i plan on useing the following parts for my set-up.
b18a1 block
ls rods with arp rod bolts
ctr or p30 pistons (looking for like a 12:5 cr or the highest i can on 93 octane)
arp headbolts and studs
oem bearings
golden eagle block guard
oem headgasket (should i remove the middle layer?)
dh-racing pnp ls head
crower 404 cams
crower vualve springs
oem retrainers
oem vualves or should i leave the dh-racing vualves?
fully pnp ls im
dh-racings tb 70mm
inline pro fuel rail and fpr
dh-racings pully
dh-racing lightened flywheel
gripforce stage 1 clutch

so my question is,i plan on buying dh-racing pnp ls head but i dont know what stage to choose.they have the street and strip,big port and the full race pnp.every stage contains the following things done to them.

Race Port and Polish
Full Race Big Port and Polish Upgrade ($300 Additional, NHRA Competition Use Suggested)
Dual Valve Springs ($200 Additional)
Titanium Retainers ($150 Additional)
Custom Spec Camshafts
Street/Strip Spec Cams - $550
Full Race Billet Cams - $750
Dh-Racing Valves
3 Angle Valve Job
Diamond Milling/Resurfacing
Custom Milling Per Customer Request ($50 Additional)
Glass Beaded Combustion Chambers
Glass Beaded Head (Entire Head)
Line Honed Cam Journals
Hot Tanking/Degreasing

please let me know your inputs.thanx

 

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I would stay as far away from DH racing as possible.

 

ive herd theyre good but why do you say stay away?

 

They make outrageous claims, the work I have seen them do is incredibly shitty, the whole company seems sketchy.

I would stick with a well known porter if you are going to shell out close to $1,000 on a port job. Look into Portflow, Endyn, etc

There are some damn good porters on this site as well.

 

the thing is dh-racings pnp heads are only 599 + shipping on ebay.im not trying to spend more then 600 on a pnp head with 3 angle vualve job ect. so with who should i get a pnp head for that price range?

 

I am not sure off hand, I would search around.

Would you rather pay $600 for a P&P that will lower performance, or $800 on a P&P that will actually do something?

 

Like with anything, you get what you pay for.

Look into a head specialist that will thoroughly explain what they will do to your head. There are certain things that they should be doing as well such as a good recondition.

Recondition will include a Valve job, hot tank, resurface, new valve seals and assembly. Half the power will rely on proper install and good valve job.