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Discussion Starter #1
Up F/S is a set of BT regular height exhaust port cylinder heads. Heads were ported and flowed with the following parts from surival motorsports in MI. Heads have about 10 hours of running time on them and should need nothing unless someone was going to use them for a different cam set-up and then the springs would need changed

CNC Machined 86cc Chambers
Multi-angle Newen CNC valve job
Bowl port & blend
Viton Seals
Chrome-Moly Retainers
Chrome-Moly Spring Locators
10 degree Keepers
Rev Stainless Valves -
Intake - 2.250" with back cut
Exhaust - 1.800"
Roller spring package spring package (Manley nextech) good to .830 lift

Flow Data - SF1020 bench (no pipe)
Test Bore Dia: 4.400"

Flow Intake Exhaust

Lift
.100" 78 62
.200" 167 114
.300" 219 147
.400" 280 175
.500" 322 195
.600" 335 211
.700" 354 225
.800" 364 242
.850" 373 246
Cam specs
Comp xr-292-r


these numbers were with the comp xr-292r cam, i'm sure there is probally a bit more in them if a bigger cam is used.

Looking to get $2500 OBO plus shipping and paypal fee if applicable, call or text with questions/offers. If someone is close enough to Pensacol area i can meet them for delivery

thanks
rick
850-218-6130




 

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Discussion Starter #4
No takers? There is a barrett .50 cal out there with my name on it, think of purchasing these heads as a contribution to my happiness and my 2nd amendment rights :)
 
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