OST-105: 2nd gen, standard valve bigport head

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oldeskewltoy
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OST-105: 2nd gen, standard valve bigport head

Postby oldeskewltoy » Mon May 06, 2024 9:51 am

For sale: OST-105, a 2nd gen standard valve bigport head. Fully ported, and rebuilt using new viton rubber valve seals, and BC valves springs (good for cams with upto 10mm of lift)

$1300 + shipping - NO CORE REQUIRED

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nicely polished cam journals, and deburred casting

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middle of port work, bowl 5(left) now nicely shaped, and bowl 4(right) not yet begun
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Port work complete, next step multi angle valve job....

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upclose on the multi angle valve job....

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Assembly using BC springs

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message me, or better yet email me: oldeskewltoy@yahoo.com Title it: "OST-105"
OST Cyl head porting, - viewtopic.php?f=22&t=300

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