CNC Ported K-20 hd 377cfm @ .500" lift
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CNC Ported K-20 hd 377cfm @ .500" lift
#s 1 & 4 Exhaust ports welded & ported symmetrical, so custom (symmetrical) hdrs must be used.
CC'd & Coated chambers
Coated exhaust ports
Special seats & guides
More details on request, including breakdown of modification costs & flows at lifts from .050" to .700", but pls do not inquire if you do not understand the significance of 377cfm @.500".
Bare head started as a NEW casting, and has never been assembled or run.
$1750 exchange
Also available are Ti retainers, PSI valve springs, and a set of custom billet cams ( no vtec, race only 10,000 rpm).
Thanks
CC'd & Coated chambers
Coated exhaust ports
Special seats & guides
More details on request, including breakdown of modification costs & flows at lifts from .050" to .700", but pls do not inquire if you do not understand the significance of 377cfm @.500".
Bare head started as a NEW casting, and has never been assembled or run.
$1750 exchange
Also available are Ti retainers, PSI valve springs, and a set of custom billet cams ( no vtec, race only 10,000 rpm).
Thanks
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