11deg 260cc

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Our 260CC heads start as an aftermarket casting that we designed our own port for. These heads perform very well compared to other 260cc heads on the market. Our 260 LS3 ported hea ds include: Our in house CNC port Bronze valve guides PCD surfaced to your desired chamber size Proprietary competition valve job Your choice of spring kit Rev 2.165 intake valves REV 1.600 exhaust valves This is our most common setup, but if this doesn’t meet your needs please call us so we can get you a custom set up for your needs Flow Chart lift .2 .3. .4 .5 .6 .65 .7 Int 160 228 283 328 354 370 375 Exh 114 158 191 222 241 247 252 Show more