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hey guys im thinkin about buyin these heads ill be runnin 10.5 compression and trick flow .574 lift 310 duration cam on a 306 with a c4 and 411's heres the specs tell me what yall think

Brand:Patriot PerformanceProduct Line:Patriot Performance Freedom Series Small Block Ford Cylinder HeadsPart Type:Cylinder HeadsPart Number:pAR-1102Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):60CNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):185ccExhaust Runner Volume (cc):70ccCNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Location:StandardExhaust Port Location:StandardIntake Valves Included:YesIntake Valve Diameter (in):2.020 in.Exhaust Valves Included:YesExhaust Valve Diameter (in):1.600 in.Valve Springs Included:YesMaximum Valve Lift (in):0.550 in.Damper Spring Included:NoNumber of Springs Per Valve:SingleRetainers Included:YesRetainer Material:SteelLocks Included:YesLock Style:10 degreeValve Stem Seals Included:YesValve Stem Seal Style:Viton®Rocker Arm Studs Included:YesRocker Arm Nut Thread Size:3/8-24 in.Rocker Arms Included:NoRocker Arm Nuts Included:NoGuideplates Included:YesGuideplate Pushrod Size:5/16 in.Valve Cover Mounting Style:perimeter boltAccessory Bolt Holes Drilled:YesValve Guides Included:YesValve Guide Material:Manganese bronzeValve Seats Machined:YesValve Seat Machine Style:5-angleValve Seat Material:SteelSteam Holes Drilled:NoOiling Style:Through pushrodMachined for O-Ring:NoHeat Crossover:NoQuantity:Sold as a pair.Notes:Drilled for 1/2 in. head bolts.
Cylinder Heads, Freedom Series, Aluminum, Assembled, 60cc Chamber, 185cc Intake Runner, Ford, 302/351W, Pair Let freedom ring, and make some serious horsepower with Patriot Performance cylinder heads!
These Patriot Performance Freedom Series small block Ford cylinder heads offer exceptional quality at an unbelievable price. They are manufactured from high-quality aluminum and are assembled with the finest parts. Patriot Performance Freedom Series small block Ford cylinder heads feature 1-piece stainless steel 2.020 in. intake and 1.600 in. exhaust valves, 185cc intake runners, a 70cc combustion chamber, and hydraulic flat tappet valve springs with steel retainers. The heads include 3/8 in. screw-in rocker arm studs and guideplates for 5/16 in. pushrods.
 

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Those heads should work, I don't know of anyone who's tried them yet. They have great specs and if they perform like their specs indicate, you should be happy with them.
 

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Your going to have to get upgraded springs with that cam you will have valve float Like no tommorow In my opinion that cam is to big for your setup F cam or something similar is high enough for a 306
 

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Good point, Tom. Swap those springs over to those recommended with that cam before putting them on.
 
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