lets talk about heads

[dinnut]

so im looking into getting some rebuilt heads for my truck
and i was wondering.... which of these is better for my mostly stock 350 that im gonna stick a performer rpm itnake and holley 600cfm carb on. im probalby gonna put a xe268 (comp cams) cam in it too. but any which is better?
ATK Remanufactured Cylinder Head
1 per car. 3C08 $156.77 $35.00
6 BOLT EXHAUST MANIFOLD 1.7" INTAKE VALVE w/TAPERED SPARK PLUGS 90 DAY WARRANTY - NO LABOR ALLOWANCE
ATK Remanufactured Cylinder Head
1 per car. 3C13 $140.93 $35.00
6 BOLT EXHAUST MANIFOLD 1.9" INTAKE VALVE CASTING #882 90 DAY WARRANTY - NO LABOR ALLOWANCE
ATK Remanufactured Cylinder Head
1 per car. 3C17 $140.93 $35.00
6 BOLT EXHAUST MANIFOLD 1.9" INTAKE VALVE CASTING #411,126,991,487 90 DAY WARRANTY - NO LABOR ALLOWANCE
ATK Remanufactured Cylinder Head
1 per car. 3C19 $147.27 $35.00
6 BOLT EXHAUST MANIFOLD 1.7" INTAKE VALVE CASTING #882 90 DAY WARRANTY - NO LABOR ALLOWANCE

the bigger valve? the smaller valve and is #882 good?