275cc LS3 HEADS INTAKE VALVES 2.165":SOLID STEM 250 intake valves

250 intake valves

600 exhaust valves

Our 260 LS3 ported heads include:

Brodix BR7-3 Castings must use LS7 rockers

Intake Port:        273cc                    Exhaust Port:     100cc

275cc LS3 HEADS INTAKE VALVES 2.165":SOLID STEM 250 intake valvesOur 275CC 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 heads 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 doesnt meet your needs