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WTB Z129 Head without crack

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03-10-2019 15:39:40

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Looking to buy a Z129 head in good shape mine is cracked. Does anyone have a good source for buying Z129 heads they would be willing to share. Thanks

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03-11-2019 06:43:05

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 Re: WTB Z129 Head without crack in reply to NateMack, 03-10-2019 15:39:40  
ARP https://arp-bolts.com
on the advice of someone from this forum - they don't have exact replacement lengths, the short is a bit long and the longer one I got were too short to use the washers that came with them - they send beautiful quality flanged nuts and heavy washers with the studs - if I were doing it again I'd see what the length of the next longer stud would be and probably use it -
here's a pictorial from that engine adventure -

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03-11-2019 12:07:30

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 Re: WTB Z129 Head without crack in reply to pomester, 03-11-2019 06:43:05  
Thank you. To be honest I never thought about ARP. I guess I just couldn't wrap my mind around looking at a non ag company.

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03-11-2019 04:23:14

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 Re: WTB Z129 Head without crack in reply to NateMack, 03-10-2019 15:39:40  
where are you located ?

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03-10-2019 16:22:07

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 Re: WTB Z129 Head without crack in reply to NateMack, 03-10-2019 15:39:40  
There's one on eBay right now from a 100% seller "...rebuilt and ready to set on tractor." - - I'd suggest an in depth discussion about what specifically has been done, the valve springs don't look new to me, and frankly I don't see any sign of the valves/seats actually being ground... In my mind a refurbished head should have new guides (if necessary), new springs (always), valves and seats ground, and the flatness checked/head surfaced - it does appear this head has passed over a surface grinder
They come and go on eBay - a want add on this site would be in order, and there are a number of tractor salvage operations you can search - Walt's Tractor has been good to me, but an internet search will stir up several - likely you'll be on your own to refurbish and machine shops are not as common as they used to be -
you need to evaluate the studs in your block also -
good luck -

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03-11-2019 06:00:55

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 Re: WTB Z129 Head without crack in reply to pomester, 03-10-2019 16:22:07  
POMESTER, where did you source head studs from? I gave up looking for them. Thanks Mike

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William Fissell

03-24-2019 19:12:30

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 Re: WTB Z129 Head without crack in reply to MCOHIO, 03-11-2019 06:00:55  
thats a fantastic question- I turned my own from grade 8 bolts

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