GM LS 276cc CNC PORTED 6 BOLT ALUMINIUM CYLINDER HEADS BARE 2.165"/1.60" VALVES Hose I.D_19mm 30" Hg–boost 20 psi

30" Hg–boost 20 psi

make this tire a must for any street rod or street machine builder

AF2711-5100

AF156-12BLK

SKU: LK-XEHB-7000F

GM LS 276cc CNC PORTED 6 BOLT ALUMINIUM CYLINDER HEADS BARE 2.165"/1.60" VALVES Hose I.D_19mm 30" Hg–boost 20 psiBare GM LS3 6 Bolt 276cc CNC Ported Aluminium Cylinder Heads with 70cc Chamber (Pair) 2. 60" x 1. 28" Intake Port, 1. 47" x 1. 64" Exhaust Port The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilise ultra smooth A356 T6 aluminium castings, new as cast runner and chamber designs produce excellent flow numbers. This combined with a 5 angle competition valve