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OST-118: 1st gen 4AGE head - ported, and rebuilt

Posted: Thu Jul 17, 2025 1:08 pm
by oldeskewltoy
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So up for sale is OST-118, a 1st gen 4AGE head in very nice condition. Price is $1400 + a good core, OR $1650 outright.


Porting includes blending/aligning the bowls to their seats, deshrouding the combustion chambers and re-tapering the exhaust ports.

aligning the bowls and seats...

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re-tapering the exhaust...

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Very nice 3 angle valve job, along with back cut intake valves

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Valve tip heights set...

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Assembled using new Toda valve springs, and new viton rubber valve seals.

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With a surface ready for a metal gasket

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And buckets ready for shims

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If interested message me, or emailing me is better - oldeskewltoy@yahoo.com

Re: OST-118: 1st gen 4AGE head - ported, and rebuilt

Posted: Sun Sep 21, 2025 3:38 pm
by oldeskewltoy
this head is sold