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Author:  crabby [ Wed Nov 21, 2012 9:11 am ]
Post subject:  head

Hi what is a 12g940 head worth comes with valves and stem collars

Author:  Panthersteve [ Wed Nov 21, 2012 9:58 am ]
Post subject: 

used, refurbished, cracked, crack tested, etc etc :?: :?: :?:

Author:  crabby [ Wed Nov 21, 2012 11:27 am ]
Post subject:  head

no just been pulled down to get redone to run ulleaded no cracks

Author:  drmini in aust [ Wed Nov 21, 2012 11:42 am ]
Post subject: 

If uncracked I'd say $150 for a bare 12G940, or $200-250 with valves, springs, caps & collets.

If doing it up properly for unleaded I would bin the valves, springs & guides anyway, but the 1275 caps & collets are worth a bit to buy new.

Author:  crabby [ Wed Nov 21, 2012 11:45 am ]
Post subject:  head

it will only have valves and collets do have springs but need replacing any way :?: so if anyone interested pm me thanks

Author:  drmini in aust [ Wed Nov 21, 2012 12:02 pm ]
Post subject: 

Valve springs weaken with age, also many folks that do a head up then fit them to a motor with high lift cams or rockers. If they leave the stock springs on it they get coilbound by the extra lift, and are usually too light anyway.
New C-AEA526 springs are cheap these days and are good for around 7500-8000rpm and .495" lift, without coil bind.

Author:  68Rusty [ Wed Nov 21, 2012 3:34 pm ]
Post subject: 

A reconditioned one sold for $529 recently on ebay, 22 bids.

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